public function MailEditUserAccount(CbgrnMailUserAccountType $edit_user_account)
 {
     // $edit_user_account : CbgrnMailUserAccoutType class (only one)
     $this->CheckAndSetHeader(__FUNCTION__);
     $reg_args["edit_user_accounts"] = $edit_user_account->getObjectVars();
     $this->encodeString($reg_args);
     $results = parent::MailEditUserAccount($reg_args);
     $this->methodClose();
     return $this->decodeString($results->edit_user_accounts);
 }