plugin/com.blackberry.invoke/src/blackberry10/index.js
function (error) {
                if (error) {
                    result.callbackError(error, false);
                } else {
                    result.callbackOk(undefined, false);
                }
            }
function (error) {
                if (error) {
                    result.callbackError(error, false);
                } else {
                    result.callbackOk(undefined, false);
                }
            }
if request contains invalid args, the invocation framework will provide error in callback no validation done here