As far as I know I think the case still exists as outlined in the below community link:
The link also provides a hint on how you can built your own custom notification using the "Get Violation API".
What you can do here is, create a csv file of the violation being pulled from XDR API and then ingest in SIEM for notifications or other stuff.
Click Accept as Solution to acknowledge that the answer to your question has been provided.
The button appears next to the replies on topics you’ve started. The member who gave the solution and all future visitors to this topic will appreciate it!
These simple actions take just seconds of your time, but go a long way in showing appreciation for community members and the LIVEcommunity as a whole!
The LIVEcommunity thanks you for your participation!