API Reference > imodeljs-frontend > Tools > PrimitiveTool > saveChanges saveChanges Method Tools need to call SaveChanges to commit any elements they have added/changes they have made. This helper method supplies the tool name for the undo string to iModel.saveChanges. saveChanges(): Promise<void> Returns - Promise<void> Defined in core/frontend/src/tools/PrimitiveTool.ts Line 184 Last Updated: 13 June, 2024