* `notify_email`: Email used for notifications.
* `description`: The instance’s description, can be seen in nodeinfo and ``/api/v1/instance``.
* `limit`: Posts character limit (CW/Subject included in the counter).
+* `chat_limit`: Character limit of the instance chat messages.
* `remote_limit`: Hard character limit beyond which remote posts will be dropped.
* `upload_limit`: File size limit of uploads (except for avatar, background, banner).
* `avatar_upload_limit`: File size limit of user’s profile avatars.
rel: "ugc"
]
```
+
+## Custom Runtime Modules (`:modules`)
+
+* `runtime_dir`: A path to custom Elixir modules (such as MRF policies).
+
+Example:
+
+```elixir
+config :pleroma, :modules, runtime_dir: "/var/lib/pleroma/modules"
+```