How to write SPL for DLP alert use case using eval in Splunk ES?

[AL3Z]

Hi,
Could anyone over here  able to write an spl query for usecase in splunk ES like when single user triggers alert say other than dlp  in between 2 hours of time more than 3 times,how to make  a count for alert_name
not for generic events, how to write this use case spl query using eval ?