Product owner (who is also the application administrator): please build feature to allow administrators to create automatic alerts to be sent to application users

Me: ok
Feature gets built, tested and deployed to production

Two months later:
PO: I've noticed in our monitoring tool that there haven't been any alerts sent out to users. What's going on??

Me: well have you created any automatic alerts?

PO: umm, no. How do we do that?

Me (inside): 🤦