/*
Your Javascript must pass parameters named Exactly as in the web service.
Remember that these parameters in client- and server-side are case-sensitive.
*/
// Web service: public static List<MyObject> GetMyObjects(int ObjectId) { ...
// Javascript:
CallMethodAsync(null, "GetMyObjects", { ObjectId: theCurrentObjId }, function (data) { self.SavedObjects = data.Result; ... });