MyBB Community Forums

I'm back with another question! My apologies, I'm not very savvy with this kind of stuff.
I'm using Advanced Side Box plugin and MyBB-Page Manager plugin. Is there a way to get the side boxes to show up on the custom pages as well?

this guidance can be helpful => ASB : add new script definition

sorry, can't check by installing the plugins in a test forum
if direct help required,
I may be able to check it on your forum with temporary privileges.