I probably read the whole documentation for triggers and found no way to do it.

OK, I FINALLY FOUND WHAT WORKS!!! IT IS: https://cloud.mongodb.com/api/atlas/v2/groups/${GROUP_ID}/processes/${PROCESS_ID}/measurements?m=LOGICAL_SIZE I found this after going though the API step by step. Sigh. Anyways, thanks everyone for your co-operation.

How to know disk used % from a trigger

MongoDB Atlas Atlas Triggers & Functions

touhidurrr (Md. Touhidur Rahman) February 28, 2025, 10:43am 14

Basically any none of the metrics mentioned in this route is not working. Everything returns INVALID_METRIC_NAME