Atlas function pub/sub error "exec is not supported"

[Scoz_Auro]

Or Atlas doesn’t support google pub/sub? I found similiar questions and got no answer.

Error: exec is not supported when executing Mongo Db Realm function

Publishing to Google PubSub

I’ve been trying to set up a publishing function in MongoDB functions that’s called when a change in a collection activates a trigger. Problem is whenever I test it by updated a document, the trigger logs show the same error: ‘Received error while publishing: Data must be in the form of a Buffer.’ I’m pretty sure the publishMessage call is triggering it, but I don’t know why. Has anyone successfully set up a MongoDB function to communicate with a Google pub sub? Did you go about it this way o…