Extension authors may want to create settings to store data that relate to their extensions and there is a standard pattern of how this works.
## Creating Setting defintion in an extesnion
## Creating Setting defintion in an extension
1. Create a settings folder within your extension and create a file such as myextension.setting.php this is where you store the setting metadata array as per the [Settings Properties](./properties.md). You should make sure that you set in your setting metadata array the settings_pages. When you are creating your extensions you should make sure to namespace your settings names to avoid conflicts, For example, a 'Rate limit' setting in a 'My Extension' should be named.`my_extension_rate_limit`. The key of the settings pages extension should be the extension short name e.g.
