Audit service catalog variables Audit audit history records all changes to named service catalog variables. About this task Auditing is enabled by default for service catalog variables. These changes are displayed in: The requested item history for all variables associated with the item. The catalog task history for all variables that are used by the task. This auditing allows service catalog administrators to view a full history of changes to variables that can affect the parent record, including their creation.Note: Unnamed variables are not audited. Procedure Navigate to System Properties > Service Catalog. Locate the line Audit changes to Service Catalog Variables. Select the Yes check box to enable auditing.