# UndoRedoState [Integration guide](https://docs.lumencharts.com/charting-library/reference/compatibility) · [Reference index](https://docs.lumencharts.com/charting-library/api/) Public contract reference. This declaration describes types and callback shapes; availability is constrained by the linked integration guide and the runtime capability. Legacy product-specific fields are not a promise of implementation. ## enableUndo {#enableundo} ```ts readonly enableUndo: boolean; ``` Use the type signature above and the integration guide for the owning capability. ## undoText {#undotext} ```ts readonly undoText: string | undefined; ``` Use the type signature above and the integration guide for the owning capability. ## enableRedo {#enableredo} ```ts readonly enableRedo: boolean; ``` Use the type signature above and the integration guide for the owning capability. ## redoText {#redotext} ```ts readonly redoText: string | undefined; ``` Use the type signature above and the integration guide for the owning capability. ## originalUndoText {#originalundotext} ```ts readonly originalUndoText: string | undefined; ``` Use the type signature above and the integration guide for the owning capability. ## originalRedoText {#originalredotext} ```ts readonly originalRedoText: string | undefined; ``` Use the type signature above and the integration guide for the owning capability. --- Documentation page: https://docs.lumencharts.com/charting-library/api/UndoRedoState