API Reference > ui-abstract > Utilities Utilities Various utility classes for working with a UI. Classes Name Description IconSpecUtilities Creates an IconSpec with an SVG source and gets the SVG source from an IconSpec. Beta UiAbstract Entry point for static initialization required by various components used in the package. UiError iModel.js UI UiError class is a subclass of BentleyError. Interfaces Name Description IMatch Interface that returns indices of matches Type Aliases Name Description OnCancelFunc Signature for onCancel function. OnItemExecutedFunc Signature for onItemExecuted function. OnNumberCommitFunc Signature for number onCommit function. OnValueCommitFunc Signature for value onCommit function. Last Updated: 06 October, 2021