meta

$meta_query = array(
	'relation' => 'AND',
	array(
		'key'     => '_tribe_tickets_attendee_user_id',
		'value'   => '$user_id',
		'compare' => '=',
		'type'    => 'NUMERIC',
	),
	array(
		'key'     => '_tribe_wooticket_event',
		'value'   => '$event_id',
		'compare' => '=',
		'type'    => 'NUMERIC',
	),
);