How to use the kinvey-nativescript-sdk.init function in kinvey-nativescript-sdk

const Kinvey = require("kinvey-nativescript-sdk");

const config = require("./config");

/* ***********************************************************
* The {N} Kinvey plugin initialization is explained in the plugin readme here:
* http://devcenter.kinvey.com/nativescript/guides/getting-started#ConfigureYourApp
* In this template, Kinvey is set up with a custom existing project, so that
* You can build and run this template without creating your own Kinvey project.
*************************************************************/
Kinvey.init({
    appKey: config.kinveyAppKey,
    appSecret: config.kinveyAppSecret
});

const Kinvey = require("kinvey-nativescript-sdk");

/* ***********************************************************
* The {N} Kinvey plugin initialization is explained in the plugin readme here:
* http://devcenter.kinvey.com/nativescript/guides/getting-started#ConfigureYourApp
* In this template, Kinvey is set up with a custom existing project, so that
* You can build and run this template without creating your own Kinvey project.
*************************************************************/
Kinvey.init();