How do I get creative (or operator) on an aternos server

Wurst version: not sure
How do I get creative (or operator) on an aternos server that has cheats turned on but not for me (i tried .gm it didnt work)

blais .gm is a short version of /gamemode, op permissions still required, and theres not a way to get op.

It isn't possible you need to get op by the owner