My Source code:
wsSD7.IncidentManagement ws = new wsSD7.IncidentManagement();
string callID= ws.CreateIncidentSimple("Test", "Testing please ignore and close this ticket", "test@gmail.com", "test@gmail.com");
Response.Write(callID);
Output returned callID:
21a6afad-e539-4828-8847-da84b07bdfc5