public function Base_BeforeCheckDiscussions_Handler($Sender) {
      $ActionMessage = &$Sender->EventArguments['ActionMessage'];
      if (Gdn::Session()->CheckPermission('Vanilla.Discussions.Edit', TRUE, 'Category', 'any'))
         $ActionMessage .= ' '.Anchor(T('Merge'), 'vanilla/moderation/mergediscussions/', 'Merge Popup');
   }