There’s something quite odd about this session. It has no target! The data isn’t being written to memory in the ring buffer or to a file or even a counter.
So I did a little testing. I right clicked the session and selected ‘Watch Live Data’ to see if I could consume the data flowing through in SQL Server Management studio even though it didn’t have a target. And then I ran this in another session:
It looks like this extended event is designed to track serious error messages. I’m liking it and hope it sticks around in RTM.