Use a list and append the UUID to the list when the zombie spawns
You can use get "Pop List Value" or "Get List Value" to get the UUID depending on what scenario you're in
I made an arrow spawn tnt and the tnt doesn't break blocks.
I was gonna make a script that uses the "Event Explosion Affected Blocks" game value and it doesn't work when the tnt doesn't break anything
Add labels like sign or display entities which you can name lines of code with like this:
https://media.essential.gg/7720ecea-8d86-4139-aacc-f42b4ad2ac00
In node 4, there's a missing orange stained glass
Also, in the about me section there's a mistake at the discord username. Discord removed the discriminator (#) in usernames;