private void FaxNumberAvailableListRequest_Click(object sender, EventArgs e)
        {
            //FaxNumberAvailableListRequest
            // setup EMsgAPI object - EM
            EMsgAPI_Demo.EMsgAPI_FaxNumberAvailableList_201101.FaxNumberAvailableListService EM = new EMsgAPI_Demo.EMsgAPI_FaxNumberAvailableList_201101.FaxNumberAvailableListService();

            // setup Authentication objects
            EMsgAPI_FaxNumberAvailableList_201101.RequestAuthentication reqAuth = new EMsgAPI_FaxNumberAvailableList_201101.RequestAuthentication();
            EMsgAPI_FaxNumberAvailableList_201101.XDDSAuthType XDDSAuth = new EMsgAPI_FaxNumberAvailableList_201101.XDDSAuthType();
            EMsgAPI_FaxNumberAvailableList_201101.UIDType uid = new EMsgAPI_FaxNumberAvailableList_201101.UIDType();

            // init Authentication objects
            XDDSAuth.Password = txtAccessCode.Text;
            //user id = email address for Fax2Mail
            uid.Value = txtUserId.Text;
            //have to set the alias type when not using regular user id
            uid.aliasType = "M2F";
            XDDSAuth.RequesterID = uid;
            reqAuth.Item = XDDSAuth;

            // Setup Request and FaxNumberAvailable Request / Result object
            EMsgAPI_Demo.EMsgAPI_FaxNumberAvailableList_201101.Request Request = new EMsgAPI_Demo.EMsgAPI_FaxNumberAvailableList_201101.Request();
            EMsgAPI_Demo.EMsgAPI_FaxNumberAvailableList_201101.Response Response = new EMsgAPI_Demo.EMsgAPI_FaxNumberAvailableList_201101.Response();
            EMsgAPI_Demo.EMsgAPI_FaxNumberAvailableList_201101.FaxNumberAvailableListRequest FaxList_Request = new EMsgAPI_Demo.EMsgAPI_FaxNumberAvailableList_201101.FaxNumberAvailableListRequest();
            EMsgAPI_Demo.EMsgAPI_FaxNumberAvailableList_201101.FaxNumberAvailableListResult FaxList_Result = new EMsgAPI_Demo.EMsgAPI_FaxNumberAvailableList_201101.FaxNumberAvailableListResult();

            // Setup Proxy server and EMsgAPIConnect URL for posting data
            Set_Server_and_Proxy(EM);

            // Setup Reqeust Object
            Request.ReceiverKey = EM.Url;
            Request.Authentication = reqAuth;

            // Set Request / Response values on Premiere Connect Object
            EM.RequestValue = Request;
            EM.ResponseValue = Response;

            // Setup AvailableFaxList Request for Entity
            EMsgAPI_Demo.EMsgAPI_FaxNumberAvailableList_201101.UserAliasGroupType Group = new EMsgAPI_Demo.EMsgAPI_FaxNumberAvailableList_201101.UserAliasGroupType();
            Group.Item = txtParentEntity.Text;

            FaxList_Request.F2MUserGroup = Group;

            try
            {
                FaxList_Result = EM.FaxNumberAvailableList(FaxList_Request);
            }
            catch (Exception ex)
            {
                System.Console.WriteLine(ex.Message);
                System.Console.Read();
                return;
            }

            string emfilename = "emresponse.xml";
            string resfilename = "result.xml";
            //string reqfilename = "request.xml";
            try
            {
                //This will output the response, result and request(if uncommented) to XML files in the
                //installed directory. This can be very usefull for debugging or ir help is requested from
                //the EMAPI support team
                if (chkResult)
                {
                    serializeResult(emfilename, EM.ResponseValue);
                    serializeResult(resfilename, FaxList_Result);
                    //serializeResult(reqfilename, FaxList_Request);
                }
            }
            catch (IOException io_error)
            {
                MessageBox.Show("Error - " + io_error, "Error", MessageBoxButtons.OK);
            }
        }