change_history Campaign Monitor
This filter can be used to modify a value before it is sent to Campaign Monitor.
Campaign Monitor Feed Meta
IntroductionThe _autolink_feed-object meta for the Campaign Monitor add-on is an associative array containing the properties which determine how the add-on should process the form submission.
This filter can be used to modify how the add-on handles blank custom fields. The default behaviour is to remove custom fields which don't have a value from the CustomFields array so they aren't sent to Campaign Monitor.
This filter can be used to modify the subscriber parameters before they are sent to Campaign Monitor.