request_value() Ask the ZWave addon to send a *_updated event for a specified pcp, that is get a pcp value asynchronously, by event. (pcp is specified by node_id, class_id and channel_id). Call Example Edit zwave.request_value() params: node_id (int), class_id (int), channel_id (int). return: none. Edit require "zwave" zwave.request_value( node_id, class_id, channel_id )