Redwood- In Create requisition page unable to default loggedin user in hiring manager field

Summary:

Redwood- In Create requisition page unable to default logged user in hiring manager field

Content (please ensure you mask any confidential information):

In 25B we have an option to default Hiring Mange field in redwood, but whenever we try to default using $user it is not working. do you have a working expression which defaults username.

Version (include the version you are using, if applicable):

25B (11.13.25.04.0)

Code Snippet (add any code snippets that support your topic, if applicable):