apply_filters( 'mt_tickets_soldout_content', $output, $event_id, $registration ) → {string}
Append additional content to the tickets sold out notification.
Parameters:
| Name | Type | Description |
|---|---|---|
$output |
string | HTML output; default empty string. |
$event_id |
int | |
$registration |
array | Registration data for event. |
- Source:
Returns:
- Type
- string