/**
  * @param $attribute
  * @param $value
  * @param $parameters
  * @return bool
  */
 public function validate($attribute, $value, $parameters)
 {
     //If the email already exist in the account, the validation must fail !!
     if ($this->userRepository->isEmailExistForThisAccount($this->context->account(), $value)) {
         return false;
     }
     return true;
 }