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TESTing Function App binding not working with Azure IoT Edge deployment

Ryan Hill 30,306 Reputation points Microsoft Employee Moderator
2025-10-27T17:47:20.6733333+00:00

I am new to Azure and currently testing an Azure Function App that I want to bind to an IoT Edge module. The function is supposed to process messages from my IoT Hub, but the binding does not seem to trigger when I deploy it to my IoT Edge device.

I have verified that the IoT Edge runtime is running correctly, and my device is connected to IoT Hub. The messages appear in the IoT Hub metrics, but the function binding never fires. I tried both input and output bindings, but neither seems to work as expected.

Could someone explain what additional configuration steps are required for Function App bindings to work properly with Azure IoT Edge? Are there specific settings in the host.json or deployment manifest that I might be missing?

Azure IoT Edge
Azure IoT Edge
An Azure service that is used to deploy cloud workloads to run on internet of things (IoT) edge devices via standard containers.
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