If you add this language as source language to your TM on a GS Server (I have not tested with local SDLTMs):
and then try to get the language direction in your code, an exception is thrown:
I am on Trados Studio 2022 SR1.

If you add this language as source language to your TM on a GS Server (I have not tested with local SDLTMs):
and then try to get the language direction in your code, an exception is thrown:
I am on Trados Studio 2022 SR1.