How to communicate the skinned html and js file

Hi All,

I get the below error in console. Do I need to import or add any js files to index html?

core.es5.js:1020 ERROR TypeError: window.kWidget.featureConfig is not a function
at mediaplayer.component.ts:320
at ZoneDelegate.invokeTask (zone.js:424)
at Object.onInvokeTask (core.es5.js:3924)
at ZoneDelegate.invokeTask (zone.js:423)
at Zone.runTask (zone.js:191)
at ZoneTask.invoke (zone.js:486)
at timer (zone.js:1540)

where as embed function and addReadyCallback functions are working fine.

-Ravikiran