API Reference > imodeljs-frontend > Tools > PrimitiveTool > onRedoPreviousStep onRedoPreviousStep Method Called to reinstate to a previous tool state (ex. redo last data button). onRedoPreviousStep(): Promise<boolean> Returns - Promise<boolean> false to instead reinstate the most recent transaction. Defined in core/frontend/src/tools/PrimitiveTool.ts Line 184 Last Updated: 12 June, 2024