API Reference > imodeljs-backend > iModels > IModelDb > saveChanges saveChanges Method Commit pending changes to this iModel. saveChanges(description?: string): void note If this IModelDb is a briefcase that is synchronized with iModelHub, then you must call ConcurrencyControl.request before attempting to save changes. throws IModelError if there is a problem saving changes or if there are pending, un-processed lock or code requests. Parameter Type Description description string Optional description of the changes Returns - void Defined in core/backend/src/IModelDb.ts Line 709 Last Updated: 29 November, 2022