diff --git a/AdtSampleApp/SampleFunctionsApp/ProcessHubToDTEvents.cs b/AdtSampleApp/SampleFunctionsApp/ProcessHubToDTEvents.cs
index 7db4cf4..f056a04 100644
--- a/AdtSampleApp/SampleFunctionsApp/ProcessHubToDTEvents.cs
+++ b/AdtSampleApp/SampleFunctionsApp/ProcessHubToDTEvents.cs
@@ -48,8 +48,8 @@ public async void Run([EventGridTrigger]EventGridEvent eventGridEvent, ILogger l
                 //Update twin using device temperature
                 var updateTwinData = new JsonPatchDocument();
                 updateTwinData.AppendReplace("/Temperature", temperature.Value<double>());
-                await client.UpdateDigitalTwinAsync(deviceId, updateTwinData);
+                await client.PublishTelemetryAsync(deviceId, Guid.NewGuid().ToString(), updateTwinData.ToString());
             }
         }
     }
-}
\ No newline at end of file
+}