API Reference > ui-components > PropertyGrid > PropertyDataChangeEvent PropertyDataChangeEvent Class An event broadcasted on property data changes Extends BeEvent<PropertyDataChangesListener> Inherited methods Name Inherited from Description addListener(listener: PropertyDataChangesListener, scope?: any): () => void BeEvent<PropertyDataChangesListener> Registers a Listener to be executed whenever this event is raised. addOnce(listener: PropertyDataChangesListener, scope?: any): () => void BeEvent<PropertyDataChangesListener> Registers a callback function to be executed only once when the event is raised. clear(): void BeEvent<PropertyDataChangesListener> Clear all Listeners from this BeEvent. has(listener: PropertyDataChangesListener, scope?: any): boolean BeEvent<PropertyDataChangesListener> Determine whether this BeEvent has a specified listener registered. raiseEvent(...args: any[]): void BeEvent<PropertyDataChangesListener> Raises the event by calling each registered listener with the supplied arguments. removeListener(listener: PropertyDataChangesListener, scope?: any): boolean BeEvent<PropertyDataChangesListener> Un-register a previously registered listener. Inherited properties Name Type Inherited from Description numberOfListeners Accessor ReadOnly number BeEvent<PropertyDataChangesListener> The number of listeners currently subscribed to the event. Defined in ui/components/src/ui-components/propertygrid/PropertyDataProvider.ts Line 43 Last Updated: 13 June, 2024