Two things:

* User views its devices, from a /manage index link
* Yavsc.Server resurection

Yavsc.Server/Models/Chat/ChatRoomPresence.cs

@@ -0,0 +1,23 @@
+
+using System.ComponentModel.DataAnnotations.Schema;
+using Yavsc.Abstract.Streaming;
+
+namespace Yavsc.Models.Chat
+{
+    public class ChatRoomPresence: IChatRoomUsage
+    {
+        public string ChannelName { get; set; }
+        [ForeignKey("ChannelName")]
+        public virtual ChatRoom Room { get; set; }
+
+        public string ChatUserConnectionId { get; set; }
+        
+        [ForeignKey("ChatUserConnectionId")]
+        public virtual ChatConnection ChatUserConnection { get; set; }
+
+        public ChatRoomUsageLevel Level
+        {
+            get; set;
+        }
+    }
+}