Usage: AuditPol /list /user|/category|/subcategory[: | |* /v /r This command lists audit policy categories, subcategories, ...

Usage: AuditPol /list        [/user|/category|/subcategory[:|<{guid}>|*]        [/v] [/r] 
 This command lists audit policy categories, subcategories, or lists users for  whom per-user audit policy is defined. 
 Commands   /?               Help (context-sensitive)   /user            Retrieves all users for whom per-user audit policy                    has been defined. If used with the /v option, the                     sid of the user is also displayed.   /category        Displays the names of categories understood by the                     system. If used with the /v option, the category                    GUID is also displayed.   /subcategory     Displays the names of subcategories understood by the                    system, for subcategories in a specified category.                    The subcategory GUIDs are also displayed if the /v                    option is used. 
 Example:    auditpol /list /user   auditpol /list /category /v   auditpol /list /subcategory:"Detailed Tracking","Object Access"