1 files changed, 13 insertions, 4 deletions
diff --git a/MediaBrowser.Model/SyncPlay/GroupUpdate.cs b/MediaBrowser.Model/SyncPlay/GroupUpdate.cs
index ec67d7ea8..794443499 100644
--- a/MediaBrowser.Model/SyncPlay/GroupUpdate.cs
+++ b/MediaBrowser.Model/SyncPlay/GroupUpdate.cs
@@ -5,15 +5,18 @@ namespace MediaBrowser.Model.SyncPlay;
 /// <summary>
 /// Group update without data.
 /// </summary>
-public abstract class GroupUpdate
+/// <typeparam name="T">The type of the update data.</typeparam>
+public abstract class GroupUpdate<T>
 {
     /// <summary>
-    /// Initializes a new instance of the <see cref="GroupUpdate"/> class.
+    /// Initializes a new instance of the <see cref="GroupUpdate{T}"/> class.
     /// </summary>
     /// <param name="groupId">The group identifier.</param>
-    protected GroupUpdate(Guid groupId)
+    /// <param name="data">The update data.</param>
+    protected GroupUpdate(Guid groupId, T data)
     {
         GroupId = groupId;
+        Data = data;
     }
 
     /// <summary>
@@ -23,8 +26,14 @@ public abstract class GroupUpdate
     public Guid GroupId { get; }
 
     /// <summary>
+    /// Gets the update data.
+    /// </summary>
+    /// <value>The update data.</value>
+    public T Data { get; }
+
+    /// <summary>
     /// Gets the update type.
     /// </summary>
     /// <value>The update type.</value>
-    public GroupUpdateType Type { get; init; }
+    public abstract GroupUpdateType Type { get; }
 }