Astarte may tell the remote host the set properties list. Any property that is not part of the list will be deleted from any cache or database. This task is called purge properties in Astarte jargon, and it is performed by publishing a the list of known set properties to /control/consumer/properties.
Astarte may tell the remote host the set properties list. Any property that is not part of the list will be deleted from any cache or database. This task is called purge properties in Astarte jargon, and it is performed by publishing a the list of known set properties to /control/consumer/properties.
https://docs.astarte-platform.org/latest/080-mqtt-v1-protocol.html#purge-properties