Custome tag properties

I’m pretty sure I know the answer, I just want to confirm,
Can create my own properties for a SQLTag? (external) I know I will have to create and maintain them and that I will not be able to go /path/to/tag/name.prop (yet(it is being worked on, right…)). I just want to know that I won’t break things if I do add records to sqlt_meta.

You can add additional meta items to the externam sqlt_meta table but you cannot reference them by: