qtpy-datalogger server --help
Usage: qtpy-datalogger server [OPTIONS]
Query and control the MQTT server.
Options:
--describe Behavior: [default] Show the current status of the
service.
--observe Behavior: Monitor the service and print published
messages, Ctrl-C to quit.
--restart Behavior: Restart the service, requires
Administrator privileges.
--publish TOPIC MESSAGE Send a MESSAGE to the service on the specified
TOPIC.
--help Show this message and exit.
Detailed help online
https://wireddown.github.io/qtpy-datalogger/eng/intro/mqtt/