/**
  * Load customizations after WC is loaded
  */
 public function load_customizations()
 {
     if (!isset($_GET['tab']) || $_GET['tab'] != 'sendinblue') {
         return;
     }
     //
     add_action('admin_notices', array($this, 'ws_api_check'));
     WC_Sendinblue::init();
 }