AWS IoT Device Shadow service and MQTT topics
On AWS, the IoT Device Shadow service is used to send device data and configuration through the JSON shadow documents. A shadow document describes the different states of the device through a state property. Examples of device states are:
Reported state
Desired state
Reported state
The document is described in JSON schema file. See JSON document for a sample device state.
Desired state
The document is described in the JSON schema file for the desired state.
See the JSON document containing a desired state for a sample device state.