How to retrieve 'Requested By' property using a!deployment() function

Hi,

Is there a way to retrieve the 'Requested By' userId in a post deployment process?

It looks like the a!deployment() function currently does not retrieved details like requestedBy, reviewedOn, etc., 

Although the documentation contains an example: deployment(101, "reviewedDate") returns 12/21/05 2:28 PM GMT
I get an error: Expression evaluation error at function a!deployment: The requested property “reviewedDate” is not available.

Regards,

Sunil Zacharia