AuthenticatedEmployeeId()

Returns the employee ID of the current Marketing Cloud Engagement user. Use this function only with Microsites when using Sender Authenticated Redirection. Not for use with CloudPages.

Availability 

Marketing Cloud Engagement ✅ Yes
Marketing Cloud Next ❌ No

Syntax 

The AuthenticatedEmployeeID() function doesn’t accept any parameters.

Usage 

You can call this function without passing any parameters.

1%%[ Output(AuthenticatedEmployeeID()) ]%%

The example outputs the employee ID of the Marketing Cloud Engagement user who is accessing the page.