Library Referencemapper libraryDevice objectDevice:send()On this pageDevice:send() Device:send(unit_id, value) This method sends a value to output unit. Parameters ParameterTypeDescriptionunit_idnumberOutput device unit IDvaluenumberValue to be sent Return Values This method doesn't return any value. See Also Device Handling Output Unit IDs Table Device.upstream_ids Device:get_upstream_ids() Device:sender()