2 files changed, 52 insertions, 2 deletions
diff --git a/MediaBrowser.Model/Session/ClientCapabilities.cs b/MediaBrowser.Model/Session/ClientCapabilities.cs
index d3878ca30..a85e6ff2a 100644
--- a/MediaBrowser.Model/Session/ClientCapabilities.cs
+++ b/MediaBrowser.Model/Session/ClientCapabilities.cs
@@ -10,7 +10,7 @@ namespace MediaBrowser.Model.Session
     {
         public string[] PlayableMediaTypes { get; set; }
 
-        public string[] SupportedCommands { get; set; }
+        public GeneralCommandType[] SupportedCommands { get; set; }
 
         public bool SupportsMediaControl { get; set; }
 
@@ -31,7 +31,7 @@ namespace MediaBrowser.Model.Session
         public ClientCapabilities()
         {
             PlayableMediaTypes = Array.Empty<string>();
-            SupportedCommands = Array.Empty<string>();
+            SupportedCommands = Array.Empty<GeneralCommandType>();
             SupportsPersistentIdentifier = true;
         }
     }
diff --git a/MediaBrowser.Model/Session/SessionMessageType.cs b/MediaBrowser.Model/Session/SessionMessageType.cs
new file mode 100644
index 000000000..23c41026d
--- /dev/null
+++ b/MediaBrowser.Model/Session/SessionMessageType.cs
@@ -0,0 +1,50 @@
+#pragma warning disable CS1591
+
+namespace MediaBrowser.Model.Session
+{
+    /// <summary>
+    /// The different kinds of messages that are used in the WebSocket api.
+    /// </summary>
+    public enum SessionMessageType
+    {
+        // Server -> Client
+        ForceKeepAlive,
+        GeneralCommand,
+        UserDataChanged,
+        Sessions,
+        Play,
+        SyncPlayCommand,
+        SyncPlayGroupUpdate,
+        PlayState,
+        RestartRequired,
+        ServerShuttingDown,
+        ServerRestarting,
+        LibraryChanged,
+        UserDeleted,
+        UserUpdated,
+        SeriesTimerCreated,
+        TimerCreated,
+        SeriesTimerCancelled,
+        TimerCancelled,
+        RefreshProgress,
+        ScheduledTaskEnded,
+        PackageInstallationCancelled,
+        PackageInstallationFailed,
+        PackageInstallationCompleted,
+        PackageInstalling,
+        PackageUninstalled,
+        ActivityLogEntry,
+        ScheduledTasksInfo,
+
+        // Client -> Server
+        ActivityLogEntryStart,
+        ActivityLogEntryStop,
+        SessionsStart,
+        SessionsStop,
+        ScheduledTasksInfoStart,
+        ScheduledTasksInfoStop,
+
+        // Shared
+        KeepAlive,
+    }
+}