What Enphase/ISO standard is this? I’ve never heard of it, and my attempt to search came up with nothing useful. There’s ISO 15518-20 bidirectional, which seems like it barely solves the problem.
It should be possible for a vehicle’s built-in inverter/charger, the EVSE, and the MID to all cooperate even if all three are from different vendors, but this is not a thing.
I think the standard is called "V2H". It's unobtanium from what I can tell.
If you have a Ford EV and a SunRun house, then it supposedly has worked for a few years now. (But that's just vehicle to home charging, not the "V2H" standard.)