Set Permissions
The parameter specifies what user (using the user's SMTP e-mail address) should have author access to the item. You must call ClearPermissions prior to setting permissions.
Sub SetPermissions (strSMTPAddress)
WorkflowSession.ItemAuthors.Add strSMTPAddress, 0
End Sub
See Also
Scripting in the Workflow Designer for Exchange Server | Script Examples for Exchange Server | Creating Script Procedures