def set_service_value(self, service_id, set_name, parameter_name, value):
payload = {<EOL>'<STR_LIT:id>': '<STR_LIT>',<EOL>'<STR_LIT:action>': '<STR_LIT>' + set_name,<EOL>'<STR_LIT>': service_id,<EOL>parameter_name: value<EOL>}<EOL>result = self.vera_request(**payload)<EOL>logger.debug("<STR_LIT>"<EOL>"<STR_LIT>",<EOL>payload, result.text)<EOL>
Set a variable on the vera device.

        This will call the Vera api to change device state.