model and Dto

Common/Enums/ConversationType.cs

@@ -0,0 +1,13 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Common.Enums
+{
+    public enum ConversationType
+    {
+        EU = 1, UE = 2
+    }
+}