How To Extend Environment Variables In Modules?

[mcmah309]

After further research, I don’t think what I am looking for is currently possible. Strings are currently not seen as mergeable types.

How to append string to existing value from a module

The “option definitions merging” section talks about mkMerge, the “modularity” section mentions mkBefore, and mkAfter comes up in a code snippet once, though it isn’t explained.