public override bool IsValidRequest()
    {
        BussinessLogic bll = new BussinessLogic();

        if (!bll.IsValidCredentials(this.credentials))
        {
            this.PegPayStatusCode        = "100";
            this.PegPayStatusDescription = "INVALID PEGPAY VENDOR CREDENTIALS";
            return(false);
        }
        return(true);
    }