Add a map with an URL

Hi,

I’d like to add a map with an URL like this,

http://gpp3-wxs.ign.fr/iv2suivxxxxxxxxxwnr4k1w2n/wmts?SERVICE=WMTS&VERSION=1.0.0&REQUEST=GetTile&LAYER=GEOGRAPHICALGRIDSYSTEMS.MAPS.SCAN-EXPRESS.CLASSIQUE&STYLE=normal&TILEMATRIXSET=PM&TILEMATRIX={z}&TILEROW={y}&TILECOL={x}&FORMAT=image/jpeg]]>
{z}-8

The same manner as for BRouter,

Could it be possible with Mapbox Access Token ? With an example ?

Denis