New format in CoordinateConversion widget in Angular

[DavidTxi]

Hi everyone!

I am trying to reproduce the way to do a custom format, like this example:

https://developers.arcgis.com/javascript/latest/sample-code/widgets-coordinateconversion-custom/

The problem is that i get that the convert and reverseConvert methods have a function with no parameters and return void. 

Any idea?

Thanks!