Filter: mc_update_group_data

apply_filters( 'mc_update_group_data', $update, $event_author, $action, $event_id ) → {array}

Filter calendar update data before saving an individual event when managing groups.

Parameters:
Name Type Description
$update array

Event update data for groups.
$event_author string

Author for these events.
$action string

Action performed.
$event_id int

Event ID being updated.
Source:
Returns:
Type
array