Owner
$owner = array( 'relation' => 'AND', array( 'key' => 'owner', 'value' => '999', 'compare' => '=', 'type' => 'NUMERIC', ), );
$owner = array( 'relation' => 'AND', array( 'key' => 'owner', 'value' => '999', 'compare' => '=', 'type' => 'NUMERIC', ), );