Device command subscribe

Description

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.

Return value

This function won't return a value.

Arguments

#	Argument	Type	Description
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.

Example

-- Subscribe to property
device_command_subscribe("CMD_NAME", function()
  print("command fired")
end)