Dingo\Api\Http\FormRequest::failedValidation PHP Method

    protected function failedValidation(Validator $validator)
    {
        if ($this->container['request'] instanceof Request) {
            throw new ValidationHttpException($validator->errors());
        }
        parent::failedValidation($validator);
    }

 /**
  * Handle a failed validation attempt.
  *
  * @param \Illuminate\Contracts\Validation\Validator $validator
  *
  * @return mixed
  */
 protected function failedValidation(Validator $validator)
 {
     if ($this->container['request'] instanceof BaseRequest) {
         throw new ApiValidationException($validator->errors(), $this->getFailedValidationMessage($this->container['request']));
     }
     parent::failedValidation($validator);
 }