public string ProcessMapping(List <KeyValuePair <string, string> > payloads, string servicename, string _environment) { try { payloads.Add(new KeyValuePair <string, string>("eventpayload", _dataPayload)); EventObject eventObject = new EventObject(); eventObject.servicename = servicename; eventObject._jsoncollection = payloads; MappingManager mm = new MappingManager(eventObject); string returnobject = mm.ExecuteDataMapping(); StringBuilder sb = new StringBuilder(); if (returnobject.Substring(0, 5) == "Error") { sb.AppendLine(); sb.AppendLine(returnobject); return(sb.ToString()); } } }