[Earendil]

Originally Posted by alasfourom if someone can create a data file, to adjust rules + external commands > I would credit them, since I'm not familiar with it.

Data files can be created using KeyValues. I made a plugin that uses a config file with KeyValues to save/load the spawn position and settings of entities, https://forums.alliedmods.net/showthread.php?p=2750321, take a look on it.

KeyValues API reference.