Extension:CentralNotice/Hooks/CentralNoticeCampaignChange

This hook cannot be aborted.

Parameters

 * : A, which represents an action related to a campaign. This can be either , , or
 * : A representing a database timestamp as returned by
 * : A representing the name of the campaign
 * : An instance of, representing the user causing the change to the campaign
 * : An representing the campaign settings before changes, as returned by  (a private static method)
 * : An representing the campaign settings after changes, as returned by  (a private static method)
 * : Represents a if a user gave a change summary, or  if the user did not.