Custom #_TICKETBOOKINGATTENDEEDATA placeholder

add_filter('em_booking_output_placeholder','my_em_custom_booking_phone',100,3);
function my_em_custom_booking_phone($replace, $EM_Booking, $result){
    if( $result === '#_TICKETBOOKING_ATTENDEE_DATA' || $result === '#_TICKETBOOKINGATTENDEEDATA' ){
        $replace = '';
        $Attendees = EM_Attendees_Form::get_booking_attendees($EM_Booking);
        $EM_Tickets_Bookings = $EM_Booking->get_tickets_bookings();
        foreach( $EM_Tickets_Bookings->tickets_bookings as $EM_Ticket_Booking ){
            foreach( $Attendees[$EM_Ticket_Booking->ticket_id] as $attendee_title => $attendee_data ){
                foreach( $attendee_data as $field_label => $field_value){
                    $replace .= "\r\n". $field_label .': ';
                    $replace .= $field_value;
                }
            }
        }


    }
    return $replace;
}