Understanding the Custom API Method Calling

Summary

Understanding the Custom API Method Calling

Content

Hi,

Going through the samples of custom api in MCS i see the below code

var handler = function (error, response, body)

invoked from something like req.oracleMobile.rest.post(optionsList, handler);

One such sample is

Can someone please explain me from where and what are the values of the parameters to the function.