Load FLP into G1000

Even if PLN files created by the flight planner have basically the same XML structure of previous FS files I notice it’s not easy to manipulate them or replace them with classic FLP exported by 3rd party application (like Plan G or VFR flight)

is it still possible to load a PLN file within the G1000 or G3000? any of you attempted this? I can’t figure out how

Never mind. I just find out other threads saying this is not possible