API Reference > imodeljs-backend > iModels > TxnManager > onAfterUndoRedo onAfterUndoRedo onAfterUndoRedo: BeEvent<(_action: TxnAction) => void> = new BeEvent<(_action: TxnAction) => void>() Event raised after an undo/redo operation has been performed. param _action - The action that was performed. Defined in core/backend/src/IModelDb.ts Line 2213 Last Updated: 13 June, 2024