I present to you a tutorial on CLEO scripting, written by -DRifTER-45. There's not a lot in this tutorial, but the basics are explained (how to declare a label, what an opcode is, etc.). And you can read everything else in the help of the Sanny Builder program.
In addition, the textbook comes with scripting programs, namely:
Sanny Builder
Opkodnik 4.0
CLEO 4.1 Library
Also, a huge thank you to user Scooper for providing the Soul Mission font!
P.S. This is DRifTER's first tutorial, don't judge strictly.