/**
  * Load trigger and add it to the Config
  *
  * @param Config $config
  *
  * @param array $formData
  */
 private function _addTriggers(Config $config, array $formData)
 {
     if (empty($formData['triggers']) || $formData['triggers'] === RewardConfig::NONE) {
         return;
     }
     $trigger = $this->_triggers->get($formData['triggers']);
     $config->addTrigger($trigger);
 }