API Reference > imodeljs-backend > iModels > StandaloneDb > upgradeSchemas upgradeSchemas MethodStatic Upgrades the schemas in the standalone iModel file. Note that the upgrade requires that the file be closed, and will leave it back in the closed state. upgradeSchemas(filePath: string): void see ($docs/learning/backend/IModelDb.md#upgrading-schemas-in-an-imodel) see StandaloneDb.validateSchemas Parameter Type Description filePath string Full path name of the standalone iModel file. Returns - void Defined in core/backend/src/IModelDb.ts Line 2642 Last Updated: 29 November, 2022