API Reference > ui-abstract > UiItemsProvider UiItemsProvider Interface for specifying UI items to be inserted at runtime. Classes Name Description UiItemsArbiter Arbitrates between the UiItemsApplication and a UiItemsProvider Beta UiItemsManager Controls registering of UiItemsProviders and calls the provider's methods when populating different parts of the User Interface. Enumerations Name Description UiItemsApplicationAction Action taken by the application on item provided by a UiItemsProvider Interfaces Name Description UiItemProviderRegisteredEventArgs UIProvider Registered Event Args interface. UiItemsApplication Application for items provided by a UiItemsProvider Beta UiItemsProvider Describes interface of objects that want to provide UI component to the running IModelApp. Last Updated: 15 June, 2021