The screenshot shows the Users section under Filter Options on the SQL Access Advisor: Workload Source page.
The section has following options:
Include Only SQL Statements Executed by These Users (selected)
Exclude All SQL Statements Executed by These Users
To the right of the options is a field, which contains the text "SH." To the right of the field is a search icon. The field has the associated text, "Comma-separated list."
End of description.