meta query eventi ognibene

$meta_query = array(
	'relation' => 'AND',
	array(
		'key'     => '_EventStartDate',
		'value'   => '$start',
		'compare' => '>=',
	),
	array(
		'key'     => 'abilita_prenotazioni',
		'value'   => '1',
		'compare' => '=',
	),
);