Manual:Hooks/SetupUserMessageArticle

Details

 * $user: The user who we left the message for.
 * &$article: The article that will be posted to.
 * $subject: The subject of the message
 * $text: The text of the message.
 * $signature: The signature we used.
 * $summary: The edit summary.
 * $editor: The editor that performed the edit.