Absolute noob guide to modifying SC AI (no mods)

10/10 find, but I am stupid or it’s a bit messy tutorial.

Can you use the thing you discovered to make AI build a specific building on the specific location (kind of like we have AINUKEHERE AIRECALLHERE)?

Or to edit Area town script to maintain base defenses like 3 cannons 2 pylons and 1 shield battery for example? By maintain I mean it would built it if it started without it and it will rebuild it if it got destroyed.