function custom_pos_alway_product_option_popup($session_data){
   
    $session_data['setting']['pos_alway_product_option_popup'] = 'yes';
    

    return $session_data;
}
//add_filter('op_get_guest_login_session_data','custom_pos_alway_product_option_popup',20,1); // for guest checkout only
add_filter('op_get_login_cashdrawer_data','custom_pos_alway_product_option_popup',20,1);