appwrite/docs/examples/1.5.x/server-kotlin/java/databases/create-relationship-attribute.md

import io.appwrite.Client; import io.appwrite.coroutines.CoroutineCallback; import io.appwrite.services.Databases; import io.appwrite.enums.RelationshipType;

Client client = new Client() .setEndpoint("https://cloud.appwrite.io/v1") // Your API Endpoint .setProject("5df5acd0d48c2") // Your project ID .setKey("919c2d18fb5d4...a2ae413da83346ad2"); // Your secret API key

Databases databases = new Databases(client);

databases.createRelationshipAttribute( "<DATABASE_ID>", // databaseId "<COLLECTION_ID>", // collectionId "<RELATED_COLLECTION_ID>", // relatedCollectionId RelationshipType.ONETOONE, // type false, // twoWay (optional) "", // key (optional) "", // twoWayKey (optional) RelationMutate.CASCADE, // onDelete (optional) new CoroutineCallback<>((result, error) -> { if (error != null) { error.printStackTrace(); return; }

    System.out.println(result);
})

);