Manual:Hooks/ChangeTagsAllowedAdd

Details

 * &$allowedTags: List of all the tags the user is allowed to add. Any tags the user wants to add ($addTags) that are not in this array will cause it to fail. You may add or remove tags to this array as required.
 * $addTags: List of tags user intends to add.
 * $user: User who is adding the tags.