Using a non native plugin in ionic3

Hi ! I’m trying to use a non native cordova plugin such as craftar-cordova-augmented-reality :

ionic cordova plugin add craftar-cordova-augmented-reality

But I can’t figure it out how to get an access to the functions of this plugins.

I already tried what i found on the web like :

window['cordova']['plugins']

If you have any ideas ? I’m pretty sure this is quite easy to do but I dont understand how it works.

Thanks in advance !

I was not successful either.
I’m trying to import the plugin, in ionic3 too, without success …
Were you able to evolve?