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@ -5,12 +5,12 @@ This document is part of the Appwrite contributors' guide. Before you continue r
## Getting Started
### Agenda
Adding new features may require various configurations options to be set by the users. And for such options, we use environment variables in Appwrite.
Adding new features may require various configuration options to be set by the users. And for such options, we use environment variables in Appwrite.
This tutorial will cover how to properly add a new environment variable in Appwrite.
### Naming environment variable
The environment variables in Appwrite are prefixed with `_APP_`. If it belongs to a specific category, the category name is appended as `_APP_REDIS` for the Redis category. The available categories are General, Redis, MariaDB, InfluxDB, StatsD, SMTP, Storage and Functions. Finally, a properly describing name is given to the variable. For example, `_APP_REDIS_HOST` is an environment variable for Redis connection host. You can find more information on available categories and existing environment variables in the [environment variables doc](https://appwrite.io/docs/environment-variables).
The environment variables in Appwrite are prefixed with `_APP_`. If it belongs to a specific category, the category name is appended as `_APP_REDIS` for the Redis category. The available categories are General, Redis, MariaDB, InfluxDB, StatsD, SMTP, Storage and Functions. Finally, a properly describing name is given to the variable. For example, `_APP_REDIS_HOST` is an environment variable for the Redis connection host. You can find more information on available categories and existing environment variables in the [environment variables doc](https://appwrite.io/docs/environment-variables).
### Describe new environment variable
First of all, we add the new environment variable to `app/config/variables.php` in the designated category. If none of the categories fit, add it to the General category. Copy the existing variable description to create a new one so that you will not miss any required fields.