Filter: mc_insert_custom_fields

apply_filters( 'mc_insert_custom_fields', $output, $has_data, $data ) → {string}

Container for custom fields inserted after the event title field.

Parameters:

Name	Type	Description
`$output`	string	Output HTML.
`$has_data`	bool	Has data.
`$data`	object	Event object.

Source:

my-calendar-event-editor.php, line 1597

Returns:

Type: string