Hi, just to confirm, do you mean the ETP points during ETOPS flights?
This isn’t technically possible. These points are usually precise coordinates, for example:
N12° 34’ 56" W012° 34’ 56".
ARINC shorthand waypoints only exist at whole degrees of latitude longitude, for example the waypoint 1212N corresponds to:
N12° 00’ 00" W012° 00’ 00"
We could round the ETP to the nearest ARINC shorthand waypoint, but this would result in it being many miles away from the true location, which isn’t very useful I’m afraid.
Best regards,