Notifications on events that have processing errors

Problem Statement I'd like to somehow be notified when I'm sending events to sentry that fail to process for some reason. I had a misconfiguration where I was sending an empty string as the environment. When I looked one of these events in the web UI, there was a little red exclamation point and an item in the Event Processing Errors section of the event display that said: All my alerts notify based on environment, so all of my alerts silently stopped notifying. For this specific case, I tried making an alert with a condition that the event attribute is not set, but that didn't seem to trigger for these events. But more generally, I'd like to know if the events I'm sending fail processing for any reason. Solution Brainstorm The simplest thing I can think, at least from my perspective as a user, is to add an "Event failed processing" condition to alert configuration. Then I could create an alert that notifies on any event that has failed proces…