Can't locate the file in an archive

I looking for a decorate script for the teleport sequence.
Where is this file in GZDOOM.pk3-archive?
In order of "actors"?
Please, describe a exactly way to find.

Because I want change the sprites of teleport amination and sound effect.

You could use the wiki. All the actors are there. The one you seek is TeleportFog.

So you'll simply need to do something like this:

Actor NewTeleFog : TeleportFog replaces TeleportFog
{
    States
    {
    Spawn:
    // insert your new animation sequence here
    }
}

Damn, of course.

Create simply a new script

I'm a litte, stupid demon and have to learn very more things before I become a big, clever demon. ;-)

But, very much thanks.