API Reference > ui-abstract > Item Item Classes for working with an Item in a Toolbar, Widget, Backstage or Context Menu Classes Name Description ConditionalBooleanValue Class used to return a boolean value. ConditionalStringValue Class used to return a string value. Enumerations Name Description BadgeType Specifies type of badge, if any, that should be overlaid on UI component. RelativePosition Relative Position for popups StageUsage Standard stage uses. Interfaces Name Description AbstractActionItemProps Definition for an item that executes and action. AbstractMenuItemProps Properties for a Menu item AbstractToolbarProps Definition for a Toolbar. CommandHandler Definition for a command handler. CommonItemProps Definition that specifies properties shared between many ConfigurableUi components. ProvidedItem Properties for an item provided by UiItemsProvider Type Aliases Name Description StringGetter Prototype for string getter function. Last Updated: 15 June, 2021