How Cache Purge works in APO plugin

Hi all, i have wordpress running on one of the route of my domain(zone) , so at the time of cache purge from wordpress did it purge all the cache of my domain(zone) or it will selectively purge the cache for specific wordpress route only ?
Or is there any way for creating access token of cache purge for selected routes in a zone ?
Any clarification will be helpful, Thanks in advance !