CVar autoCompleteUseContext

The system will, for example, only show people in your guild when you are typing /gpromote. Names will also never be removed.

Default Setting

 * 1

Possible Settings

 * 0 :Off
 * 1 :On

Changing this setting
In-game, type the following /console autoCompleteUseContext setting

Alternatively, you can exit wow, open the Character's Config-cache.wtf file, and add the following line: SET autoCompleteUseContext setting