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To be specific, IEF calls the open REST gateway interface to send messages to SystemEventBus on an edge node based on the node ID and custom topic. Your end devices can receive messages from the cloud by subscribing to custom topics.
Error Code Description If an error code starting with APIGW is returned after you call an IEF API, rectify the fault by referring to the instructions provided in API Gateway Error Codes.
IEF then forwards the device data to a DIS stream or an API Gateway address. Then, you can extract the data for processing and analysis.
IEF then forwards the device data to a DIS stream or an API Gateway address. Then, you can extract the data for processing and analysis.