How to open launch UWP app from another UWP app on win 10?

Question

My requirement:-

 

If I have two UWP apps created using HTML and javascript, How to launch one UWP app from another it's for windows 10.

 

i created a blank app an tried to perform this but it's not working

 

$(document).on('click', '.openDPPA', function () {

var options = new LauncherOptions();

options.TargetApplicationPackageFamilyName = "DPPAApp_ehke6zp0mbebr";

await Windows.System.Launcher.LaunchUriAsync(new Uri("test2-app2app"), options);

});