All walls can be used on any map you wish and any way you want. Walls can then be imported to your OWN gamemode script and will behave the exact same way without the editor.
On more specifics on how to create/import walls go my github for guidelines:
If you have questions or you wanna chat a bit with me, join our GH discord:
Heres some sample premade maps you can try:
F011K - main slide park
KAZZ9E - big ass 2 story house
6NE98 - small simple house
60E8B - skate park