The module contained in the DevExpress.ExpressApp.AuditTrail.v21.1.dll assembly.
The Audit Trail Module comprises a single DevExpress.ExpressApp.AuditTrail.v21.1.dll assembly. This assembly contains classes and services that provide information on changes that are being made to the application’s persistent objects. This assembly represents a module, since it contains the AuditTrailModule class - a descendant of the ModuleBase class.
The AuditTrailModule class exposes properties whose values determine the general behavior of the auditing functionality. To customize these properties, select the AuditTrailModule component in the Application Designer‘s Modules section, and use the Properties window.