can't find the /my-app/platforms/android/res/xml/config.xml file

[jktechs]

I can't get the plugin to work. my javascript code is
navigator.startApp.check("nl.topicus.somtoday.leerling", function(message) { alert("som is installed"); }, function(error) { alert(" error"); console.log(error); });
but none of the alerts are called, so i think there is a problem wiht my installation
while installing the plugin i couldn't find the "/my-app/platforms/android/res/xml/config.xml" file so pasted the code that needed to go there to the main config.xml. is that a problem?
my cordova version is 10.0.0
android platform 9.0.0
and the plugin version is 6.1.6