API Reference > imodeljs-backend > iModels > TxnManager > onAfterUndoRedo onAfterUndoRedo Readonly onAfterUndoRedo: BeEvent<(isUndo: boolean) => void> = ... Event raised after an undo/redo operation has been performed. param _action - The action that was performed. Defined in core/backend/src/TxnManager.ts Line 354 Last Updated: 11 June, 2024