API Reference > ui-framework > ConfigurableUi > ConfigurableUiManager > isControlRegistered isControlRegistered MethodStatic Determines if a control has been registered based on its classId. isControlRegistered(classId: string): boolean Parameter Type Description classId string the class id of the control to test Returns - boolean true if the control is registered or false if not Defined in ui/framework/src/ui-framework/configurableui/ConfigurableUiManager.ts Line 123 Last Updated: 29 November, 2022