Custom field in Post ufficioweb_id
$meta_query = array( array( 'key' => 'ufficioweb_id', 'value' => '356', 'compare' => '=', 'type' => 'CHAR', ), );
$meta_query = array( array( 'key' => 'ufficioweb_id', 'value' => '356', 'compare' => '=', 'type' => 'CHAR', ), );