API Reference > ui-framework > Frontstage > FrontstageManager > activeFrontstageDef activeFrontstageDef AccessorStaticReadOnly Gets the active FrontstageDef. If a Frontstage is not active, undefined is returned. activeFrontstageDef: undefined | FrontstageDef Returns - undefined | FrontstageDef Active FrontstageDef, or undefined if one is not active. Defined in ui/framework/src/ui-framework/frontstage/FrontstageManager.ts Line 391 Last Updated: 12 June, 2024