API Reference > imodeljs-frontend > IModelConnection > BriefcaseTxns > isUndoPossible isUndoPossible Method Determine if any reversible (undoable) changes exist. isUndoPossible(): Promise<boolean> see BriefcaseTxns.reverseSingleTxn or BriefcaseTxns.reverseAll to undo changes. Returns - Promise<boolean> Defined in core/frontend/src/BriefcaseTxns.ts Line 133 Last Updated: 11 June, 2024