Why doesn't granting 'allAuthenticatedUsers' member the 'Cloud Functions Invoker' role work for google cloud functions?

Question

According to the Google documentation, The \'allAuthenticatedUsers\' member would include anybody that is authenticated included regular gmail accounts. So I gave that member th

Answer 1

You should not apply the allUsers and allAuthenticatedUsers on the project-level according to the Cloud Functions Docs (see the note in "Controlling access on all functions in a project"). Can you try to apply this to that single function you want to protect?