API Reference > ui-abstract > Utilities Utilities Various utility classes for working with a UI. Classes Name Description IconSpecUtilities Various IconSpec utilities. 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. Type Aliases Name Description OnCancelFunc Signature for onCancel function. Beta OnItemExecutedFunc Signature for onItemExecuted function. Beta OnNumberCommitFunc Signature for number onCommit function. Beta Last Updated: 13 June, 2024