code: function (result) {
              var  error;
  
              if (!result._success) {
                  error = new ContactError(result.code);
              }
  
              if (onInvoke && typeof(onInvoke) === "function") {
                  onInvoke(error);
              }
          }
docs: /*
  options = {
  mode: Single or Multiple or Attribute, // if mode=Attribute, then must specify kind filters
  title: "some string",
  confirmButtonLabel: "some string",
  fields: ["phoneNumbers", "emails", "urls"]
  }