Device command subscribe
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device_command_subscribe(cmd_name, callback) device_command_subscribe(device_id, cmd_name, callback)
device_cmd_subscribe is used to subscribe to a command for a device. Available commands depends on the device type. A callback is called when the property changes value.
See Device list for available commands.
This function won't return a value.
|1||device_id||id||(Optional) Device id. This can be obtained through Device_add function. Not needed when starting script within Device plugin.|
|2||cmd_name||String||Command name which need to be set. See the Device list for available commands.|
|3||callback||function||Function that is called when command is fired.|
-- Subscribe to property device_command_subscribe("CMD_NAME", function() print("command fired") end)