I have just tested the behavior on my side on a test Sitefinity 7.2 project and the IDynamicContentUpdatedEvent
was fired when a dynamic content items is being updated. The UserID was also successfully retrieved from the eventInfo. I have also recorded a short video
for your reference demonstrating the behavior on my side.
Can you please let me know what is the exact error thrown when you get the UserId? In addition to this, can you please specify what is your current Sitefinity version where the issue is reproduced?
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