Only pull Approved registrations by default, order ASC by TXN_ID and Reg_count

example_csv.php

<?php
//* Please do NOT include the opening php tag, except of course if you're starting with a blank file

add_filter(
    'FHEE__EE_Export__report_registration_for_event',
    'tw_ee_registration_for_event_set_RAP_ASC',
    10,
    2
);
function tw_ee_registration_for_event_set_RAP_ASC($query_params, $event_id) {
   $query_params = [
       [
       	'STS_ID'             => EEM_Registration::status_id_approved,
       	'Ticket.TKT_deleted' => ['IN', [true, false]],
       ],
       'order_by'   => ['Transaction.TXN_ID' => 'asc', 'REG_count' => 'asc'],
       'force_join' => ['Transaction', 'Ticket', 'Attendee'],
       'caps'       => EEM_Base::caps_read_admin,
   ];
   if ($event_id) {
       $query_params[0]['EVT_ID'] = $event_id;
   } else {
       $query_params['force_join'][] = 'Event';
   }
	return $query_params;
}