Hi Jack,
You need to use following syntax for invoking service datasource with parameters:
pre
var request = {
//Here you can specify header parameters
headers: {someHeader: "someValue"},
//Specify url string parameters. (works in all HTTP methods)
parameters: {"www": "aa"},
//Specify body parameters. (not supports by "GET" or "DELETE" methods, see RFC for details).
body: {"bdf": "123"}
};
checkService.execute(request);
/pre
Regards.