Custom Query by Author field and meta
By adding another array $args = array( ‘post_type’ => ‘custom_post_type’, ‘meta_query’ => array( array( ‘key’ => ‘size’, ‘value’ => ‘big’, ‘compare’ => ‘LIKE’, ), array( ‘key’ => ‘gender’, ‘value’ => ‘male’, ), ) ); $query = new WP_Query( $args );