I can add new tags to Azure IoT Hub Device Twin with below step
await _registryManager.UpdateTwinAsync(twin.DeviceId, patch, twin.ETag);
But how do you remove a tag that is added previously?
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1 Answers
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You can remove a previously added property by setting its value to null. You can find an example here: https://docs.microsoft.com/azure/iot-hub/iot-hub-devguide-device-twins#back-end-operations
