How to Submit record producer using script ServiceNow

var recordProducerId = "bc5baf4fdbb3e85000059ed3ca96191e"; // record producer sys_id
var request_body = {
 variables: {
  "first_name" : "Working",
  "last_name" : "Code",
  "email" : "helpdesk@workingcode.in"
    }
};
 var catalogItem = new sn_sc.CatItem(recordProducerId);
var variables = request_body.variables || {};
 request_body.sysparm_id = recordProducerId;
request_body.sysparm_action = 'execute_producer';
if (!request_body.sysparm_item_guid)
 request_body.sysparm_item_guid = gs.generateGUID('');
 catalogItem.submitProducer(request_body);