API Reference > imodeljs-backend > iModels > BriefcaseDb > tryFindByKey tryFindByKey MethodStatic Attempt to find an open IModelDb by key. tryFindByKey(key: string): undefined | BriefcaseDb Parameter Type Description key string Returns - undefined | BriefcaseDb The matching IModelDb or undefined. Defined in core/backend/src/IModelDb.ts Line 2171 Last Updated: 29 November, 2022