diff --git a/docs/tutorials/add-oauth2-provider.md b/docs/tutorials/add-oauth2-provider.md
index 405394da1..43f9f3563 100644
--- a/docs/tutorials/add-oauth2-provider.md
+++ b/docs/tutorials/add-oauth2-provider.md
@@ -101,9 +101,9 @@ class [PROVIDER NAME] extends OAuth2
     /**
      * @param string $code
      *
-     * @return string
+     * @return array
      */
-    public function getAccessToken(string $code): string
+    public function getTokens(string $code): array
     {
         // TODO: Fire request to oauth API to generate access_token
         $accessToken = "[FETCHED ACCESS TOKEN]";
diff --git a/src/Appwrite/Auth/OAuth2.php b/src/Appwrite/Auth/OAuth2.php
index bbae69566..a71bde732 100644
--- a/src/Appwrite/Auth/OAuth2.php
+++ b/src/Appwrite/Auth/OAuth2.php
@@ -62,9 +62,9 @@ abstract class OAuth2
     /**
      * @param string $code
      *
-     * @return mixed
+     * @return array
      */
-    abstract public function getTokens(string $code):mixed;
+    abstract public function getTokens(string $code):array;
 
     /**
      * @param $accessToken
diff --git a/src/Appwrite/Auth/OAuth2/Amazon.php b/src/Appwrite/Auth/OAuth2/Amazon.php
index de5dde8e4..25405795d 100644
--- a/src/Appwrite/Auth/OAuth2/Amazon.php
+++ b/src/Appwrite/Auth/OAuth2/Amazon.php
@@ -59,31 +59,34 @@ class Amazon extends OAuth2
     /**
      * @param string $code
      *
-     * @return string
+     * @return array
      */
-    public function getAccessToken(string $code): string
+    public function getTokens(string $code): array
     {
-        $headers = ['Content-Type: application/x-www-form-urlencoded;charset=UTF-8'];
-        $accessToken = $this->request(
-            'POST',
-            'https://api.amazon.com/auth/o2/token',
-            $headers,
-            \http_build_query([
-                'code' => $code,
-                'client_id' => $this->appID ,
-                'client_secret' => $this->appSecret,
-                'redirect_uri' => $this->callback ,
-                'grant_type' => 'authorization_code'
-            ])
-        );
-        
-        $accessToken = \json_decode($accessToken, true);
+//        $headers = ['Content-Type: application/x-www-form-urlencoded;charset=UTF-8'];
+//        $accessToken = $this->request(
+//            'POST',
+//            'https://api.amazon.com/auth/o2/token',
+//            $headers,
+//            \http_build_query([
+//                'code' => $code,
+//                'client_id' => $this->appID ,
+//                'client_secret' => $this->appSecret,
+//                'redirect_uri' => $this->callback ,
+//                'grant_type' => 'authorization_code'
+//            ])
+//        );
+//
+//        $accessToken = \json_decode($accessToken, true);
+//
+//        if (isset($accessToken['access_token'])) {
+//            return $accessToken['access_token'];
+//        }
 
-        if (isset($accessToken['access_token'])) {
-            return $accessToken['access_token'];
-        }
-
-        return '';
+        return [
+            'access' => '',
+            'refresh' => ''
+        ];
     }
 
     /**
diff --git a/src/Appwrite/Auth/OAuth2/Apple.php b/src/Appwrite/Auth/OAuth2/Apple.php
index b0ecbd82f..0fe500243 100644
--- a/src/Appwrite/Auth/OAuth2/Apple.php
+++ b/src/Appwrite/Auth/OAuth2/Apple.php
@@ -54,34 +54,37 @@ class Apple extends OAuth2
     /**
      * @param string $code
      *
-     * @return string
+     * @return array
      */
-    public function getAccessToken(string $code): string
+    public function getTokens(string $code): array
     {
-        $headers = ['Content-Type: application/x-www-form-urlencoded'];
-        $accessToken = $this->request(
-            'POST',
-            'https://appleid.apple.com/auth/token',
-            $headers,
-            \http_build_query([
-                'grant_type' => 'authorization_code',
-                'code' => $code,
-                'client_id' => $this->appID,
-                'client_secret' => $this->getAppSecret(),
-                'redirect_uri' => $this->callback,
-            ])
-        );
+//        $headers = ['Content-Type: application/x-www-form-urlencoded'];
+//        $accessToken = $this->request(
+//            'POST',
+//            'https://appleid.apple.com/auth/token',
+//            $headers,
+//            \http_build_query([
+//                'grant_type' => 'authorization_code',
+//                'code' => $code,
+//                'client_id' => $this->appID,
+//                'client_secret' => $this->getAppSecret(),
+//                'redirect_uri' => $this->callback,
+//            ])
+//        );
+//
+//        $accessToken    = \json_decode($accessToken, true);
+//
+//        $this->claims   = (isset($accessToken['id_token'])) ? \explode('.', $accessToken['id_token']) : [0 => '', 1 => ''];
+//        $this->claims   = (isset($this->claims[1])) ? \json_decode(\base64_decode($this->claims[1]), true) : [];
+//
+//        if (isset($accessToken['access_token'])) {
+//            return $accessToken['access_token'];
+//        }
 
-        $accessToken    = \json_decode($accessToken, true);
-
-        $this->claims   = (isset($accessToken['id_token'])) ? \explode('.', $accessToken['id_token']) : [0 => '', 1 => ''];
-        $this->claims   = (isset($this->claims[1])) ? \json_decode(\base64_decode($this->claims[1]), true) : [];
-
-        if (isset($accessToken['access_token'])) {
-            return $accessToken['access_token'];
-        }
-
-        return '';
+        return [
+            'access' => '',
+            'refresh' => ''
+        ];
     }
 
     /**
diff --git a/src/Appwrite/Auth/OAuth2/Bitbucket.php b/src/Appwrite/Auth/OAuth2/Bitbucket.php
index 651aed7f8..e31f038bc 100644
--- a/src/Appwrite/Auth/OAuth2/Bitbucket.php
+++ b/src/Appwrite/Auth/OAuth2/Bitbucket.php
@@ -43,32 +43,35 @@ class Bitbucket extends OAuth2
     /**
      * @param string $code
      *
-     * @return string
+     * @return array
      */
-    public function getAccessToken(string $code): string
+    public function getTokens(string $code): array
     {
-        // Required as per Bitbucket Spec.
-        $headers = ['Content-Type: application/x-www-form-urlencoded'];
-        
-        $accessToken = $this->request(
-            'POST',
-            'https://bitbucket.org/site/oauth2/access_token',
-            $headers,
-            \http_build_query([
-                'code' => $code,
-                'client_id' => $this->appID,
-                'client_secret' => $this->appSecret,
-                'grant_type' => 'authorization_code'
-            ])
-        );
+//        // Required as per Bitbucket Spec.
+//        $headers = ['Content-Type: application/x-www-form-urlencoded'];
+//        
+//        $accessToken = $this->request(
+//            'POST',
+//            'https://bitbucket.org/site/oauth2/access_token',
+//            $headers,
+//            \http_build_query([
+//                'code' => $code,
+//                'client_id' => $this->appID,
+//                'client_secret' => $this->appSecret,
+//                'grant_type' => 'authorization_code'
+//            ])
+//        );
+//
+//        $accessToken = \json_decode($accessToken, true);
+//
+//        if (isset($accessToken['access_token'])) {
+//            return $accessToken['access_token'];
+//        }
 
-        $accessToken = \json_decode($accessToken, true);
-
-        if (isset($accessToken['access_token'])) {
-            return $accessToken['access_token'];
-        }
-
-        return '';
+        return [
+            'access' => '',
+            'refresh' => ''
+        ];
     }
 
     /**
diff --git a/src/Appwrite/Auth/OAuth2/Bitly.php b/src/Appwrite/Auth/OAuth2/Bitly.php
index 3da36d503..f098d9c74 100644
--- a/src/Appwrite/Auth/OAuth2/Bitly.php
+++ b/src/Appwrite/Auth/OAuth2/Bitly.php
@@ -54,31 +54,34 @@ class Bitly extends OAuth2
     /**
      * @param string $code
      *
-     * @return string
+     * @return array
      */
-    public function getAccessToken(string $code):string
+    public function getTokens(string $code): array
     {
-        $response = $this->request(
-            'POST',
-            $this->resourceEndpoint . 'oauth/access_token',
-            ["Content-Type: application/x-www-form-urlencoded"],
-            \http_build_query([
-                "client_id" => $this->appID,
-                "client_secret" => $this->appSecret,
-                "code" => $code,
-                "redirect_uri" => $this->callback,
-                "state" => \json_encode($this->state)
-            ])
-        );
+//        $response = $this->request(
+//            'POST',
+//            $this->resourceEndpoint . 'oauth/access_token',
+//            ["Content-Type: application/x-www-form-urlencoded"],
+//            \http_build_query([
+//                "client_id" => $this->appID,
+//                "client_secret" => $this->appSecret,
+//                "code" => $code,
+//                "redirect_uri" => $this->callback,
+//                "state" => \json_encode($this->state)
+//            ])
+//        );
+//
+//        $result = null;
+//
+//        if ($response) {
+//            \parse_str($response, $result);
+//            return $result['access_token'];
+//        }
 
-        $result = null;
-
-        if ($response) {
-            \parse_str($response, $result);
-            return $result['access_token'];
-        }
-
-        return '';
+        return [
+            'access' => '',
+            'refresh' => ''
+        ];
     }
 
     /**
diff --git a/src/Appwrite/Auth/OAuth2/Box.php b/src/Appwrite/Auth/OAuth2/Box.php
index ad626b633..d63230afb 100644
--- a/src/Appwrite/Auth/OAuth2/Box.php
+++ b/src/Appwrite/Auth/OAuth2/Box.php
@@ -59,32 +59,35 @@ class Box extends OAuth2
     /**
      * @param string $code
      *
-     * @return string
+     * @return array
      */
-    public function getAccessToken(string $code): string
+    public function getTokens(string $code): array
     {
-        $header = "Content-Type: application/x-www-form-urlencoded";
-        $accessToken = $this->request(
-            'POST',
-            $this->endpoint . 'token',
-            [$header],
-            \http_build_query([
-                "client_id" => $this->appID,
-                "client_secret" => $this->appSecret,
-                "code" => $code,
-                "grant_type" => "authorization_code",
-                "scope" =>  \implode(',', $this->getScopes()),
-                "redirect_uri" => $this->callback
-            ])
-        );
+//        $header = "Content-Type: application/x-www-form-urlencoded";
+//        $accessToken = $this->request(
+//            'POST',
+//            $this->endpoint . 'token',
+//            [$header],
+//            \http_build_query([
+//                "client_id" => $this->appID,
+//                "client_secret" => $this->appSecret,
+//                "code" => $code,
+//                "grant_type" => "authorization_code",
+//                "scope" =>  \implode(',', $this->getScopes()),
+//                "redirect_uri" => $this->callback
+//            ])
+//        );
+//
+//        $accessToken = \json_decode($accessToken, true);
+//
+//        if (array_key_exists('access_token', $accessToken)) {
+//            return $accessToken['access_token'];
+//        }
 
-        $accessToken = \json_decode($accessToken, true);
-
-        if (array_key_exists('access_token', $accessToken)) {
-            return $accessToken['access_token'];
-        }
-
-        return '';
+        return [
+            'access' => '',
+            'refresh' => ''
+        ];
     }
 
     /**
diff --git a/src/Appwrite/Auth/OAuth2/Discord.php b/src/Appwrite/Auth/OAuth2/Discord.php
index f28c2a8dd..7c448bf2b 100644
--- a/src/Appwrite/Auth/OAuth2/Discord.php
+++ b/src/Appwrite/Auth/OAuth2/Discord.php
@@ -55,31 +55,34 @@ class Discord extends OAuth2
     /**
      * @param string $code
      *
-     * @return string
+     * @return array
      */
-    public function getAccessToken(string $code): string
+    public function getTokens(string $code): array
     {
-        $accessToken = $this->request(
-            'POST',
-            $this->endpoint . '/oauth2/token',
-            ['Content-Type: application/x-www-form-urlencoded'],
-            \http_build_query([
-                'grant_type' => 'authorization_code',
-                'code' => $code,
-                'redirect_uri' => $this->callback,
-                'client_id' => $this->appID,
-                'client_secret' => $this->appSecret,
-                'scope' => \implode(' ', $this->getScopes())
-            ])
-        );
+//        $accessToken = $this->request(
+//            'POST',
+//            $this->endpoint . '/oauth2/token',
+//            ['Content-Type: application/x-www-form-urlencoded'],
+//            \http_build_query([
+//                'grant_type' => 'authorization_code',
+//                'code' => $code,
+//                'redirect_uri' => $this->callback,
+//                'client_id' => $this->appID,
+//                'client_secret' => $this->appSecret,
+//                'scope' => \implode(' ', $this->getScopes())
+//            ])
+//        );
+//
+//        $accessToken = \json_decode($accessToken, true);
+//
+//        if (isset($accessToken['access_token'])) {
+//            return $accessToken['access_token'];
+//        }
 
-        $accessToken = \json_decode($accessToken, true);
-
-        if (isset($accessToken['access_token'])) {
-            return $accessToken['access_token'];
-        }
-
-        return '';
+        return [
+            'access' => '',
+            'refresh' => ''
+        ];
     }
 
     /**
diff --git a/src/Appwrite/Auth/OAuth2/Dropbox.php b/src/Appwrite/Auth/OAuth2/Dropbox.php
index 31503d1bc..a8cb1a911 100644
--- a/src/Appwrite/Auth/OAuth2/Dropbox.php
+++ b/src/Appwrite/Auth/OAuth2/Dropbox.php
@@ -44,31 +44,34 @@ class Dropbox extends OAuth2
     /**
      * @param string $code
      *
-     * @return string
+     * @return array
      */
-    public function getAccessToken(string $code): string
+    public function getTokens(string $code): array
     {
-        $headers = ['Content-Type: application/x-www-form-urlencoded'];
-        $accessToken = $this->request(
-            'POST',
-            'https://api.dropboxapi.com/oauth2/token',
-            $headers,
-            \http_build_query([
-                'code' => $code,
-                'client_id' => $this->appID,
-                'client_secret' => $this->appSecret,
-                'redirect_uri' => $this->callback,
-                'grant_type' => 'authorization_code'
-            ])
-        );
+//        $headers = ['Content-Type: application/x-www-form-urlencoded'];
+//        $accessToken = $this->request(
+//            'POST',
+//            'https://api.dropboxapi.com/oauth2/token',
+//            $headers,
+//            \http_build_query([
+//                'code' => $code,
+//                'client_id' => $this->appID,
+//                'client_secret' => $this->appSecret,
+//                'redirect_uri' => $this->callback,
+//                'grant_type' => 'authorization_code'
+//            ])
+//        );
+//
+//        $accessToken = \json_decode($accessToken, true);
+//
+//        if (isset($accessToken['access_token'])) {
+//            return $accessToken['access_token'];
+//        }
 
-        $accessToken = \json_decode($accessToken, true);
-
-        if (isset($accessToken['access_token'])) {
-            return $accessToken['access_token'];
-        }
-
-        return '';
+        return [
+            'access' => '',
+            'refresh' => ''
+        ];
     }
 
     /**
diff --git a/src/Appwrite/Auth/OAuth2/Facebook.php b/src/Appwrite/Auth/OAuth2/Facebook.php
index 543fbaa1d..4e831c511 100644
--- a/src/Appwrite/Auth/OAuth2/Facebook.php
+++ b/src/Appwrite/Auth/OAuth2/Facebook.php
@@ -47,27 +47,30 @@ class Facebook extends OAuth2
     /**
      * @param string $code
      *
-     * @return string
+     * @return array
      */
-    public function getAccessToken(string $code):string
+    public function getTokens(string $code): array
     {
-        $accessToken = $this->request(
-            'GET',
-            'https://graph.facebook.com/'.$this->version.'/oauth/access_token?'.\http_build_query([
-                'client_id' => $this->appID,
-                'redirect_uri' => $this->callback,
-                'client_secret' => $this->appSecret,
-                'code' => $code
-            ])
-        );
+//        $accessToken = $this->request(
+//            'GET',
+//            'https://graph.facebook.com/'.$this->version.'/oauth/access_token?'.\http_build_query([
+//                'client_id' => $this->appID,
+//                'redirect_uri' => $this->callback,
+//                'client_secret' => $this->appSecret,
+//                'code' => $code
+//            ])
+//        );
+//
+//        $accessToken = \json_decode($accessToken, true);
+//
+//        if (isset($accessToken['access_token'])) {
+//            return $accessToken['access_token'];
+//        }
 
-        $accessToken = \json_decode($accessToken, true);
-
-        if (isset($accessToken['access_token'])) {
-            return $accessToken['access_token'];
-        }
-        
-        return '';
+        return [
+            'access' => '',
+            'refresh' => ''
+        ];
     }
 
     /**
diff --git a/src/Appwrite/Auth/OAuth2/Github.php b/src/Appwrite/Auth/OAuth2/Github.php
index 0f86b8910..18886ca27 100644
--- a/src/Appwrite/Auth/OAuth2/Github.php
+++ b/src/Appwrite/Auth/OAuth2/Github.php
@@ -42,31 +42,34 @@ class Github extends OAuth2
     /**
      * @param string $code
      *
-     * @return string
+     * @return array
      */
-    public function getAccessToken(string $code):string
+    public function getTokens(string $code): array
     {
-        $accessToken = $this->request(
-            'POST',
-            'https://github.com/login/oauth/access_token',
-            [],
-            \http_build_query([
-                'client_id' => $this->appID,
-                'redirect_uri' => $this->callback,
-                'client_secret' => $this->appSecret,
-                'code' => $code
-            ])
-        );
+//        $accessToken = $this->request(
+//            'POST',
+//            'https://github.com/login/oauth/access_token',
+//            [],
+//            \http_build_query([
+//                'client_id' => $this->appID,
+//                'redirect_uri' => $this->callback,
+//                'client_secret' => $this->appSecret,
+//                'code' => $code
+//            ])
+//        );
+//
+//        $output = [];
+//
+//        \parse_str($accessToken, $output);
+//
+//        if (isset($output['access_token'])) {
+//            return $output['access_token'];
+//        }
 
-        $output = [];
-
-        \parse_str($accessToken, $output);
-
-        if (isset($output['access_token'])) {
-            return $output['access_token'];
-        }
-
-        return '';
+        return [
+            'access' => '',
+            'refresh' => ''
+        ];
     }
 
     /**
diff --git a/src/Appwrite/Auth/OAuth2/Gitlab.php b/src/Appwrite/Auth/OAuth2/Gitlab.php
index 369fe0e56..81d98a2ba 100644
--- a/src/Appwrite/Auth/OAuth2/Gitlab.php
+++ b/src/Appwrite/Auth/OAuth2/Gitlab.php
@@ -46,28 +46,31 @@ class Gitlab extends OAuth2
     /**
      * @param string $code
      *
-     * @return string
+     * @return array
      */
-    public function getAccessToken(string $code): string
+    public function getTokens(string $code): array
     {
-        $accessToken = $this->request(
-            'POST',
-            'https://gitlab.com/oauth/token?'.\http_build_query([
-                'code' => $code,
-                'client_id' => $this->appID,
-                'client_secret' => $this->appSecret,
-                'redirect_uri' => $this->callback,
-                'grant_type' => 'authorization_code'
-            ])
-        );
+//        $accessToken = $this->request(
+//            'POST',
+//            'https://gitlab.com/oauth/token?'.\http_build_query([
+//                'code' => $code,
+//                'client_id' => $this->appID,
+//                'client_secret' => $this->appSecret,
+//                'redirect_uri' => $this->callback,
+//                'grant_type' => 'authorization_code'
+//            ])
+//        );
+//
+//        $accessToken = \json_decode($accessToken, true);
+//
+//        if (isset($accessToken['access_token'])) {
+//            return $accessToken['access_token'];
+//        }
 
-        $accessToken = \json_decode($accessToken, true);
-
-        if (isset($accessToken['access_token'])) {
-            return $accessToken['access_token'];
-        }
-
-        return '';
+        return [
+            'access' => '',
+            'refresh' => ''
+        ];
     }
 
     /**
diff --git a/src/Appwrite/Auth/OAuth2/Google.php b/src/Appwrite/Auth/OAuth2/Google.php
index 506680910..49d1802ac 100644
--- a/src/Appwrite/Auth/OAuth2/Google.php
+++ b/src/Appwrite/Auth/OAuth2/Google.php
@@ -55,29 +55,32 @@ class Google extends OAuth2
     /**
      * @param string $code
      *
-     * @return string
+     * @return array
      */
-    public function getAccessToken(string $code): string
+    public function getTokens(string $code): array
     {
-        $accessToken = $this->request(
-            'POST',
-            'https://oauth2.googleapis.com/token?'.\http_build_query([
-                'code' => $code,
-                'client_id' => $this->appID,
-                'client_secret' => $this->appSecret,
-                'redirect_uri' => $this->callback,
-                'scope' => null,
-                'grant_type' => 'authorization_code'
-            ])
-        );
+//        $accessToken = $this->request(
+//            'POST',
+//            'https://oauth2.googleapis.com/token?'.\http_build_query([
+//                'code' => $code,
+//                'client_id' => $this->appID,
+//                'client_secret' => $this->appSecret,
+//                'redirect_uri' => $this->callback,
+//                'scope' => null,
+//                'grant_type' => 'authorization_code'
+//            ])
+//        );
+//
+//        $accessToken = \json_decode($accessToken, true);
+//
+//        if (isset($accessToken['access_token'])) {
+//            return $accessToken['access_token'];
+//        }
 
-        $accessToken = \json_decode($accessToken, true);
-
-        if (isset($accessToken['access_token'])) {
-            return $accessToken['access_token'];
-        }
-
-        return '';
+        return [
+            'access' => '',
+            'refresh' => ''
+        ];
     }
 
     /**
diff --git a/src/Appwrite/Auth/OAuth2/Linkedin.php b/src/Appwrite/Auth/OAuth2/Linkedin.php
index 5f7a76202..657fb8ff5 100644
--- a/src/Appwrite/Auth/OAuth2/Linkedin.php
+++ b/src/Appwrite/Auth/OAuth2/Linkedin.php
@@ -57,30 +57,33 @@ class Linkedin extends OAuth2
     /**
      * @param string $code
      *
-     * @return string
+     * @return array
      */
-    public function getAccessToken(string $code):string
+    public function getTokens(string $code): array
     {
-        $accessToken = $this->request(
-            'POST',
-            'https://www.linkedin.com/oauth/v2/accessToken',
-            ['Content-Type: application/x-www-form-urlencoded'],
-            \http_build_query([
-                'grant_type' => 'authorization_code',
-                'code' => $code,
-                'redirect_uri' => $this->callback,
-                'client_id' => $this->appID,
-                'client_secret' => $this->appSecret,
-            ])
-        );
+//        $accessToken = $this->request(
+//            'POST',
+//            'https://www.linkedin.com/oauth/v2/accessToken',
+//            ['Content-Type: application/x-www-form-urlencoded'],
+//            \http_build_query([
+//                'grant_type' => 'authorization_code',
+//                'code' => $code,
+//                'redirect_uri' => $this->callback,
+//                'client_id' => $this->appID,
+//                'client_secret' => $this->appSecret,
+//            ])
+//        );
+//
+//        $accessToken = \json_decode($accessToken, true);
+//
+//        if (isset($accessToken['access_token'])) {
+//            return $accessToken['access_token'];
+//        }
 
-        $accessToken = \json_decode($accessToken, true);
-
-        if (isset($accessToken['access_token'])) {
-            return $accessToken['access_token'];
-        }
-
-        return '';
+        return [
+            'access' => '',
+            'refresh' => ''
+        ];
     }
 
     /**
diff --git a/src/Appwrite/Auth/OAuth2/Microsoft.php b/src/Appwrite/Auth/OAuth2/Microsoft.php
index c926165e2..595046583 100644
--- a/src/Appwrite/Auth/OAuth2/Microsoft.php
+++ b/src/Appwrite/Auth/OAuth2/Microsoft.php
@@ -49,33 +49,36 @@ class Microsoft extends OAuth2
     /**
      * @param string $code
      *
-     * @return string
+     * @return array
      */
-    public function getAccessToken(string $code): string
+    public function getTokens(string $code): array
     {
-        $headers = ['Content-Type: application/x-www-form-urlencoded'];
+//        $headers = ['Content-Type: application/x-www-form-urlencoded'];
+//
+//        $accessToken = $this->request(
+//            'POST',
+//            'https://login.microsoftonline.com/'.$this->getTenantId().'/oauth2/v2.0/token',
+//            $headers,
+//            \http_build_query([
+//                'code' => $code,
+//                'client_id' => $this->appID,
+//                'client_secret' => $this->getClientSecret(),
+//                'redirect_uri' => $this->callback,
+//                'scope' => \implode(' ', $this->getScopes()),
+//                'grant_type' => 'authorization_code'
+//            ])
+//        );
+//
+//        $accessToken = \json_decode($accessToken, true);
+//
+//        if (isset($accessToken['access_token'])) {
+//            return $accessToken['access_token'];
+//        }
 
-        $accessToken = $this->request(
-            'POST',
-            'https://login.microsoftonline.com/'.$this->getTenantId().'/oauth2/v2.0/token',
-            $headers,
-            \http_build_query([
-                'code' => $code,
-                'client_id' => $this->appID,
-                'client_secret' => $this->getClientSecret(),
-                'redirect_uri' => $this->callback,
-                'scope' => \implode(' ', $this->getScopes()),
-                'grant_type' => 'authorization_code'
-            ])
-        );
-
-        $accessToken = \json_decode($accessToken, true);
-
-        if (isset($accessToken['access_token'])) {
-            return $accessToken['access_token'];
-        }
-
-        return '';
+        return [
+            'access' => '',
+            'refresh' => ''
+        ];
     }
 
     /**
diff --git a/src/Appwrite/Auth/OAuth2/Mock.php b/src/Appwrite/Auth/OAuth2/Mock.php
index d7f996293..149691025 100644
--- a/src/Appwrite/Auth/OAuth2/Mock.php
+++ b/src/Appwrite/Auth/OAuth2/Mock.php
@@ -47,28 +47,31 @@ class Mock extends OAuth2
     /**
      * @param string $code
      *
-     * @return string
+     * @return array
      */
-    public function getAccessToken(string $code):string
+    public function getTokens(string $code): array
     {
-        $accessToken = $this->request(
-            'GET',
-            'http://localhost/'.$this->version.'/mock/tests/general/oauth2/token?'.
-            \http_build_query([
-                'client_id' => $this->appID,
-                'redirect_uri' => $this->callback,
-                'client_secret' => $this->appSecret,
-                'code' => $code
-            ])
-        );
+//        $accessToken = $this->request(
+//            'GET',
+//            'http://localhost/'.$this->version.'/mock/tests/general/oauth2/token?'.
+//            \http_build_query([
+//                'client_id' => $this->appID,
+//                'redirect_uri' => $this->callback,
+//                'client_secret' => $this->appSecret,
+//                'code' => $code
+//            ])
+//        );
+//
+//        $accessToken = \json_decode($accessToken, true); //
+//
+//        if (isset($accessToken['access_token'])) {
+//            return $accessToken['access_token'];
+//        }
 
-        $accessToken = \json_decode($accessToken, true); //
-
-        if (isset($accessToken['access_token'])) {
-            return $accessToken['access_token'];
-        }
-
-        return '';
+        return [
+            'access' => '',
+            'refresh' => ''
+        ];
     }
 
     /**
diff --git a/src/Appwrite/Auth/OAuth2/Notion.php b/src/Appwrite/Auth/OAuth2/Notion.php
index 748e7958e..7e7ddd2f3 100644
--- a/src/Appwrite/Auth/OAuth2/Notion.php
+++ b/src/Appwrite/Auth/OAuth2/Notion.php
@@ -51,32 +51,35 @@ class Notion extends OAuth2
     /**
      * @param string $code
      *
-     * @return string
+     * @return array
      */
-    public function getAccessToken(string $code):string
+    public function getTokens(string $code): array
     {
-        $headers = [
-            "Authorization: Basic " . \base64_encode($this->appID . ":" . $this->appSecret),
+//        $headers = [
+//            "Authorization: Basic " . \base64_encode($this->appID . ":" . $this->appSecret),
+//        ];
+//
+//        $response = $this->request(
+//            'POST',
+//            $this->endpoint . '/oauth/token',
+//            $headers,
+//            \http_build_query([
+//                'grant_type' => 'authorization_code',
+//                'redirect_uri' => $this->callback,
+//                'code' => $code
+//            ])
+//        );
+//
+//        $response = \json_decode($response, true);
+//
+//        if (isset($response['access_token'])) {
+//            return $response['access_token'];
+//        }
+
+        return [
+            'access' => '',
+            'refresh' => ''
         ];
-
-        $response = $this->request(
-            'POST',
-            $this->endpoint . '/oauth/token',
-            $headers,
-            \http_build_query([
-                'grant_type' => 'authorization_code',
-                'redirect_uri' => $this->callback,
-                'code' => $code
-            ])
-        );
-
-        $response = \json_decode($response, true);
-
-        if (isset($response['access_token'])) {
-            return $response['access_token'];
-        }
-
-        return '';
     }
 
     /**
diff --git a/src/Appwrite/Auth/OAuth2/Paypal.php b/src/Appwrite/Auth/OAuth2/Paypal.php
index 7f431d227..a05f3b35e 100644
--- a/src/Appwrite/Auth/OAuth2/Paypal.php
+++ b/src/Appwrite/Auth/OAuth2/Paypal.php
@@ -74,29 +74,32 @@ class Paypal extends OAuth2
     /**
      * @param string $code
      *
-     * @return string
+     * @return array
      */
-    public function getAccessToken(string $code): string
+    public function getTokens(string $code): array
     {
-        $accessToken = $this->request(
-            'POST',
-            $this->resourceEndpoint[$this->environment] . 'oauth2/token',
-            ['Authorization: Basic ' . \base64_encode($this->appID . ':' . $this->appSecret)],
-            \http_build_query([
-                'code' => $code,
-                'grant_type' => 'authorization_code',
-            ])
-        );
+//        $accessToken = $this->request(
+//            'POST',
+//            $this->resourceEndpoint[$this->environment] . 'oauth2/token',
+//            ['Authorization: Basic ' . \base64_encode($this->appID . ':' . $this->appSecret)],
+//            \http_build_query([
+//                'code' => $code,
+//                'grant_type' => 'authorization_code',
+//            ])
+//        );
+//
+//
+//        $accessToken = \json_decode($accessToken, true);
+//
+//
+//        if (isset($accessToken['access_token'])) {
+//            return $accessToken['access_token'];
+//        }
 
-
-        $accessToken = \json_decode($accessToken, true);
-
-
-        if (isset($accessToken['access_token'])) {
-            return $accessToken['access_token'];
-        }
-
-        return '';
+        return [
+            'access' => '',
+            'refresh' => ''
+        ];
     }
 
     /**
diff --git a/src/Appwrite/Auth/OAuth2/Salesforce.php b/src/Appwrite/Auth/OAuth2/Salesforce.php
index 76256e010..203af8f11 100644
--- a/src/Appwrite/Auth/OAuth2/Salesforce.php
+++ b/src/Appwrite/Auth/OAuth2/Salesforce.php
@@ -59,32 +59,35 @@ class Salesforce extends OAuth2
     /**
      * @param string $code
      *
-     * @return string
+     * @return array
      */
-    public function getAccessToken(string $code): string
+    public function getTokens(string $code): array
     {
-        $headers = [
-            "Authorization: Basic " . \base64_encode($this->appID . ":" . $this->appSecret),
-            "Content-Type: application/x-www-form-urlencoded",
+//        $headers = [
+//            "Authorization: Basic " . \base64_encode($this->appID . ":" . $this->appSecret),
+//            "Content-Type: application/x-www-form-urlencoded",
+//        ];
+//
+//        $accessToken = $this->request(
+//            'POST',
+//            'https://login.salesforce.com/services/oauth2/token',
+//            $headers,
+//            \http_build_query([
+//                'code' => $code,
+//                'redirect_uri' => $this->callback ,
+//                'grant_type' => 'authorization_code'
+//            ])
+//        );
+//        $accessToken = \json_decode($accessToken, true);
+//
+//        if (isset($accessToken['access_token'])) {
+//            return $accessToken['access_token'];
+//        }
+
+        return [
+            'access' => '',
+            'refresh' => ''
         ];
-
-        $accessToken = $this->request(
-            'POST',
-            'https://login.salesforce.com/services/oauth2/token',
-            $headers,
-            \http_build_query([
-                'code' => $code,
-                'redirect_uri' => $this->callback ,
-                'grant_type' => 'authorization_code'
-            ])
-        );
-        $accessToken = \json_decode($accessToken, true);
-
-        if (isset($accessToken['access_token'])) {
-            return $accessToken['access_token'];
-        }
-
-        return '';
     }
 
     /**
diff --git a/src/Appwrite/Auth/OAuth2/Slack.php b/src/Appwrite/Auth/OAuth2/Slack.php
index 20a67456e..bf9647893 100644
--- a/src/Appwrite/Auth/OAuth2/Slack.php
+++ b/src/Appwrite/Auth/OAuth2/Slack.php
@@ -46,28 +46,31 @@ class Slack extends OAuth2
     /**
      * @param string $code
      *
-     * @return string
+     * @return array
      */
-    public function getAccessToken(string $code):string
+    public function getTokens(string $code): array
     {
-        // https://api.slack.com/docs/oauth#step_3_-_exchanging_a_verification_code_for_an_access_token
-        $accessToken = $this->request(
-            'GET',
-            'https://slack.com/api/oauth.access?'.\http_build_query([
-                'client_id' => $this->appID,
-                'client_secret' => $this->appSecret,
-                'code' => $code,
-                'redirect_uri' => $this->callback
-            ])
-        );
+//        // https://api.slack.com/docs/oauth#step_3_-_exchanging_a_verification_code_for_an_access_token
+//        $accessToken = $this->request(
+//            'GET',
+//            'https://slack.com/api/oauth.access?'.\http_build_query([
+//                'client_id' => $this->appID,
+//                'client_secret' => $this->appSecret,
+//                'code' => $code,
+//                'redirect_uri' => $this->callback
+//            ])
+//        );
+//
+//        $accessToken = \json_decode($accessToken, true); //
+//
+//        if (isset($accessToken['access_token'])) {
+//            return $accessToken['access_token'];
+//        }
 
-        $accessToken = \json_decode($accessToken, true); //
-
-        if (isset($accessToken['access_token'])) {
-            return $accessToken['access_token'];
-        }
-
-        return '';
+        return [
+            'access' => '',
+            'refresh' => ''
+        ];
     }
 
     /**
diff --git a/src/Appwrite/Auth/OAuth2/Spotify.php b/src/Appwrite/Auth/OAuth2/Spotify.php
index 7962386b0..f55484330 100644
--- a/src/Appwrite/Auth/OAuth2/Spotify.php
+++ b/src/Appwrite/Auth/OAuth2/Spotify.php
@@ -58,27 +58,30 @@ class Spotify extends OAuth2
     /**
      * @param string $code
      *
-     * @return string
+     * @return array
      */
-    public function getAccessToken(string $code):string
+    public function getTokens(string $code): array
     {
-        $header = "Authorization: Basic " . \base64_encode($this->appID . ":" . $this->appSecret);
-        $result = \json_decode($this->request(
-            'POST',
-            $this->endpoint . 'api/token',
-            [$header],
-            \http_build_query([
-                "code" => $code,
-                "grant_type" => "authorization_code",
-                "redirect_uri" => $this->callback
-            ])
-        ), true);
+//        $header = "Authorization: Basic " . \base64_encode($this->appID . ":" . $this->appSecret);
+//        $result = \json_decode($this->request(
+//            'POST',
+//            $this->endpoint . 'api/token',
+//            [$header],
+//            \http_build_query([
+//                "code" => $code,
+//                "grant_type" => "authorization_code",
+//                "redirect_uri" => $this->callback
+//            ])
+//        ), true);
+//
+//        if (isset($result['access_token'])) {
+//            return $result['access_token'];
+//        }
 
-        if (isset($result['access_token'])) {
-            return $result['access_token'];
-        }
-
-        return '';
+        return [
+            'access' => '',
+            'refresh' => ''
+        ];
     }
 
     /**
diff --git a/src/Appwrite/Auth/OAuth2/Stripe.php b/src/Appwrite/Auth/OAuth2/Stripe.php
index ddf028bb4..17b32140b 100644
--- a/src/Appwrite/Auth/OAuth2/Stripe.php
+++ b/src/Appwrite/Auth/OAuth2/Stripe.php
@@ -57,31 +57,34 @@ class Stripe extends OAuth2
     /**
      * @param string $code
      *
-     * @return string
+     * @return array
      */
-    public function getAccessToken(string $code):string
+    public function getTokens(string $code): array
     {
-        $response = $this->request(
-            'POST',
-            'https://connect.stripe.com/oauth/token',
-            [],
-            \http_build_query([
-                'grant_type' => $this->grantType['authorize'],                
-                'code' => $code
-            ])
-        );
+//        $response = $this->request(
+//            'POST',
+//            'https://connect.stripe.com/oauth/token',
+//            [],
+//            \http_build_query([
+//                'grant_type' => $this->grantType['authorize'],
+//                'code' => $code
+//            ])
+//        );
+//
+//        $response = \json_decode($response, true);
+//
+//        if (isset($response['stripe_user_id'])) {
+//          $this->stripeAccountId = $response['stripe_user_id'];
+//        }
+//
+//        if (isset($response['access_token'])) {
+//            return $response['access_token'];
+//        }
 
-        $response = \json_decode($response, true);
-        
-        if (isset($response['stripe_user_id'])) {
-          $this->stripeAccountId = $response['stripe_user_id'];
-        }
-
-        if (isset($response['access_token'])) {
-            return $response['access_token'];
-        }
-
-        return '';
+        return [
+            'access' => '',
+            'refresh' => ''
+        ];
     }
 
     /**
diff --git a/src/Appwrite/Auth/OAuth2/Tradeshift.php b/src/Appwrite/Auth/OAuth2/Tradeshift.php
index 677dd5e04..e730a41b6 100644
--- a/src/Appwrite/Auth/OAuth2/Tradeshift.php
+++ b/src/Appwrite/Auth/OAuth2/Tradeshift.php
@@ -69,23 +69,27 @@ class Tradeshift extends OAuth2
     /**
      * @param string $code
      *
-     * @return string
+     * @return array
      */
-    public function getAccessToken(string $code): string
+    public function getTokens(string $code): array
     {
-        $response = $this->request(
-            'POST',
-            $this->endpoint[$this->environment] . 'auth/token',
-            ['Authorization: Basic ' . \base64_encode($this->appID . ':' . $this->appSecret)],
-            \http_build_query([
-                'grant_type' => 'authorization_code',
-                'code' => $code,
-            ])
-        );
+//        $response = $this->request(
+//            'POST',
+//            $this->endpoint[$this->environment] . 'auth/token',
+//            ['Authorization: Basic ' . \base64_encode($this->appID . ':' . $this->appSecret)],
+//            \http_build_query([
+//                'grant_type' => 'authorization_code',
+//                'code' => $code,
+//            ])
+//        );
+//
+//        $accessToken = \json_decode($response, true);
+//        return $accessToken['access_token'] ?? '';
 
-        $accessToken = \json_decode($response, true);
-
-        return $accessToken['access_token'] ?? '';
+        return [
+            'access' => '',
+            'refresh' => ''
+        ];
     }
 
     /**
diff --git a/src/Appwrite/Auth/OAuth2/Twitch.php b/src/Appwrite/Auth/OAuth2/Twitch.php
index e6bb6b522..ba48c85ba 100644
--- a/src/Appwrite/Auth/OAuth2/Twitch.php
+++ b/src/Appwrite/Auth/OAuth2/Twitch.php
@@ -59,9 +59,9 @@ class Twitch extends OAuth2
     /**
      * @param string $code
      *
-     * @return string
+     * @return array
      */
-    public function getTokens(string $code):string
+    public function getTokens(string $code): array
     {
         $result = \json_decode($this->request(
             'POST',
diff --git a/src/Appwrite/Auth/OAuth2/Vk.php b/src/Appwrite/Auth/OAuth2/Vk.php
index bd1d59dad..9ccf3b4d6 100644
--- a/src/Appwrite/Auth/OAuth2/Vk.php
+++ b/src/Appwrite/Auth/OAuth2/Vk.php
@@ -57,36 +57,40 @@ class Vk extends OAuth2
     /**
      * @param string $code
      *
-     * @return string
+     * @return array
      */
-    public function getAccessToken(string $code): string
+    public function getTokens(string $code): array
     {
-        $headers = ['Content-Type: application/x-www-form-urlencoded;charset=UTF-8'];
-        $accessToken = $this->request(
-            'POST',
-            'https://oauth.vk.com/access_token?',
-            $headers,
-            \http_build_query([
-                'code' => $code,
-                'client_id' => $this->appID,
-                'client_secret' => $this->appSecret,
-                'redirect_uri' => $this->callback
-            ])
-        );
-        $accessToken = \json_decode($accessToken, true);
+//        $headers = ['Content-Type: application/x-www-form-urlencoded;charset=UTF-8'];
+//        $accessToken = $this->request(
+//            'POST',
+//            'https://oauth.vk.com/access_token?',
+//            $headers,
+//            \http_build_query([
+//                'code' => $code,
+//                'client_id' => $this->appID,
+//                'client_secret' => $this->appSecret,
+//                'redirect_uri' => $this->callback
+//            ])
+//        );
+//        $accessToken = \json_decode($accessToken, true);
+//
+//        if (isset($accessToken['email'])) {
+//            $this->user['email'] = $accessToken['email'];
+//        }
+//
+//        if (isset($accessToken['user_id'])) {
+//            $this->user['user_id'] = $accessToken['user_id'];
+//        }
+//
+//        if (isset($accessToken['access_token'])) {
+//            return $accessToken['access_token'];
+//        }
 
-        if (isset($accessToken['email'])) {
-            $this->user['email'] = $accessToken['email'];
-        }
-
-        if (isset($accessToken['user_id'])) {
-            $this->user['user_id'] = $accessToken['user_id'];
-        }
-
-        if (isset($accessToken['access_token'])) {
-            return $accessToken['access_token'];
-        }
-        return '';
+        return [
+            'access' => '',
+            'refresh' => ''
+        ];
     }
 
     /**
diff --git a/src/Appwrite/Auth/OAuth2/WordPress.php b/src/Appwrite/Auth/OAuth2/WordPress.php
index a83953405..3c012aa5b 100644
--- a/src/Appwrite/Auth/OAuth2/WordPress.php
+++ b/src/Appwrite/Auth/OAuth2/WordPress.php
@@ -46,30 +46,33 @@ class WordPress extends OAuth2
     /**
      * @param string $code
      *
-     * @return string
+     * @return array
      */
-    public function getAccessToken(string $code):string
+    public function getTokens(string $code): array
     {
-        $accessToken = $this->request(
-            'POST',
-            'https://public-api.wordpress.com/oauth2/token',
-            [],
-            \http_build_query([
-                'client_id' => $this->appID,
-                'redirect_uri' => $this->callback,
-                'client_secret' => $this->appSecret,
-                'grant_type' => 'authorization_code',
-                'code' => $code
-            ])
-        );
+//        $accessToken = $this->request(
+//            'POST',
+//            'https://public-api.wordpress.com/oauth2/token',
+//            [],
+//            \http_build_query([
+//                'client_id' => $this->appID,
+//                'redirect_uri' => $this->callback,
+//                'client_secret' => $this->appSecret,
+//                'grant_type' => 'authorization_code',
+//                'code' => $code
+//            ])
+//        );
+//
+//        $accessToken = \json_decode($accessToken, true);
+//
+//        if (isset($accessToken['access_token'])) {
+//            return $accessToken['access_token'];
+//        }
 
-        $accessToken = \json_decode($accessToken, true);
-
-        if (isset($accessToken['access_token'])) {
-            return $accessToken['access_token'];
-        }
-
-        return '';
+        return [
+            'access' => '',
+            'refresh' => ''
+        ];
     }
 
     /**
diff --git a/src/Appwrite/Auth/OAuth2/Yahoo.php b/src/Appwrite/Auth/OAuth2/Yahoo.php
index 1702e6968..0abe1eb1d 100644
--- a/src/Appwrite/Auth/OAuth2/Yahoo.php
+++ b/src/Appwrite/Auth/OAuth2/Yahoo.php
@@ -70,31 +70,34 @@ class Yahoo extends OAuth2
     /**
      * @param string $code
      *
-     * @return string
+     * @return array
      */
-    public function getAccessToken(string $code):string
+    public function getTokens(string $code): array
     {
-        $header = [
-            "Authorization: Basic " . \base64_encode($this->appID . ":" . $this->appSecret),
-            "Content-Type: application/x-www-form-urlencoded",
+//        $header = [
+//            "Authorization: Basic " . \base64_encode($this->appID . ":" . $this->appSecret),
+//            "Content-Type: application/x-www-form-urlencoded",
+//        ];
+//
+//        $result = \json_decode($this->request(
+//            'POST',
+//            $this->endpoint . 'get_token',
+//            $header,
+//            \http_build_query([
+//                "code" => $code,
+//                "grant_type" => "authorization_code",
+//                "redirect_uri" => $this->callback
+//            ])
+//        ), true);
+//
+//        if (isset($result['access_token'])) {
+//            return $result['access_token'];
+//        }
+
+        return [
+            'access' => '',
+            'refresh' => ''
         ];
-
-        $result = \json_decode($this->request(
-            'POST',
-            $this->endpoint . 'get_token',
-            $header,
-            \http_build_query([
-                "code" => $code,
-                "grant_type" => "authorization_code",
-                "redirect_uri" => $this->callback
-            ])
-        ), true);
-
-        if (isset($result['access_token'])) {
-            return $result['access_token'];
-        }
-
-        return '';
     }
 
     /**
diff --git a/src/Appwrite/Auth/OAuth2/Yammer.php b/src/Appwrite/Auth/OAuth2/Yammer.php
index 832d886ee..3e26e7cfe 100644
--- a/src/Appwrite/Auth/OAuth2/Yammer.php
+++ b/src/Appwrite/Auth/OAuth2/Yammer.php
@@ -44,31 +44,34 @@ class Yammer extends OAuth2
     /**
      * @param string $code
      *
-     * @return string
+     * @return array
      */
-    public function getAccessToken(string $code): string
+    public function getTokens(string $code): array
     {
-        $headers = ['Content-Type: application/x-www-form-urlencoded'];
+//        $headers = ['Content-Type: application/x-www-form-urlencoded'];
+//
+//        $accessToken = $this->request(
+//            'POST',
+//            $this->endpoint . 'access_token?',
+//            $headers,
+//            \http_build_query([
+//                'client_id' => $this->appID,
+//                'client_secret' => $this->appSecret,
+//                'code' => $code,
+//                'grant_type' => 'authorization_code'
+//            ])
+//        );
+//
+//        $accessToken = \json_decode($accessToken, true);
+//
+//        if (isset($accessToken['access_token']['token'])) {
+//            return $accessToken['access_token']['token'];
+//        }
 
-        $accessToken = $this->request(
-            'POST',
-            $this->endpoint . 'access_token?',
-            $headers,
-            \http_build_query([
-                'client_id' => $this->appID,
-                'client_secret' => $this->appSecret,
-                'code' => $code,
-                'grant_type' => 'authorization_code'
-            ])
-        );
-
-        $accessToken = \json_decode($accessToken, true);
-
-        if (isset($accessToken['access_token']['token'])) {
-            return $accessToken['access_token']['token'];
-        }
-
-        return '';
+        return [
+            'access' => '',
+            'refresh' => ''
+        ];
     }
 
     /**
diff --git a/src/Appwrite/Auth/OAuth2/Yandex.php b/src/Appwrite/Auth/OAuth2/Yandex.php
index e6b94677d..ecb904181 100644
--- a/src/Appwrite/Auth/OAuth2/Yandex.php
+++ b/src/Appwrite/Auth/OAuth2/Yandex.php
@@ -56,31 +56,34 @@ class Yandex extends OAuth2
     /**
      * @param string $code
      *
-     * @return string
+     * @return array
      */
-    public function getAccessToken(string $code): string
+    public function getTokens(string $code): array
     {
-        $headers = [
-            "Authorization: Basic " . \base64_encode($this->appID . ":" . $this->appSecret),
-            "Content-Type: application/x-www-form-urlencoded",
+//        $headers = [
+//            "Authorization: Basic " . \base64_encode($this->appID . ":" . $this->appSecret),
+//            "Content-Type: application/x-www-form-urlencoded",
+//        ];
+//
+//        $accessToken = $this->request(
+//            'POST',
+//            'https://oauth.yandex.com/token',
+//            $headers,
+//            \http_build_query([
+//                'code' => $code,
+//                'grant_type' => 'authorization_code'
+//            ])
+//        );
+//        $accessToken = \json_decode($accessToken, true);
+//
+//        if (isset($accessToken['access_token'])) {
+//            return $accessToken['access_token'];
+//        }
+
+        return [
+            'access' => '',
+            'refresh' => ''
         ];
-
-        $accessToken = $this->request(
-            'POST',
-            'https://oauth.yandex.com/token',
-            $headers,
-            \http_build_query([
-                'code' => $code,
-                'grant_type' => 'authorization_code'
-            ])
-        );
-        $accessToken = \json_decode($accessToken, true);
-        
-        if (isset($accessToken['access_token'])) {
-            return $accessToken['access_token'];
-        }
-
-        return '';
     }
 
     /**