diff --git a/src/Microsoft.Graph/Extensions/UploadSession.cs b/src/Microsoft.Graph/Extensions/UploadSession.cs
new file mode 100644
index 00000000000..77b03277221
--- /dev/null
+++ b/src/Microsoft.Graph/Extensions/UploadSession.cs
@@ -0,0 +1,8 @@
+namespace Microsoft.Graph.Models
+{
+    public partial class UploadSession : Microsoft.Graph.IUploadSession
+    {
+    }
+}
+
+
diff --git a/tests/Microsoft.Graph.DotnetCore.Test/Models/Extensions/UploadSessionTests.cs b/tests/Microsoft.Graph.DotnetCore.Test/Models/Extensions/UploadSessionTests.cs
new file mode 100644
index 00000000000..d53cba2a6cf
--- /dev/null
+++ b/tests/Microsoft.Graph.DotnetCore.Test/Models/Extensions/UploadSessionTests.cs
@@ -0,0 +1,17 @@
+using Microsoft.Graph.Models;
+using Xunit;
+
+namespace Microsoft.Graph.DotnetCore.Test.Extensions;
+
+public class UploadSessionTests
+{
+    [Fact]
+    public void AddPublicEncryptionCertificate()
+    {
+        // arrange 
+        var uploadSession = new UploadSession();
+
+        // act
+        Assert.IsAssignableFrom<IUploadSession>(uploadSession);
+    }
+}