public HeaderModel ResponseHeader(HeaderModel req) { HeaderModel responseHeaders = new HeaderModel() { CreationTimeStamp = req.CreationTimeStamp, SenderMessageIdEcho = req.SenderMessageId, SenderMessageId = Guid.NewGuid().ToString(), SenderApplicationId = "WEB_API", TransactionId = req.TransactionId, OriginationApplicationId = req.OriginationApplicationId, SenderHostName = req.SenderHostName }; return(responseHeaders); }