Server Admin Commands set to start with Server

i would like to add some admin commands to my gportal server so that they apply to everyone and i don’t need to manually type them with every log in, i would like them to start with the server. is this possible, and if it is, how can i do it?

i run a gportal small heavily modded PVE sever and would like to add spicific commands, and i already know the commands i want to add… r.bloomquality 0, p.clothphysics 10; these are the only two id like to start with the server and apply to everyone.