API Reference > imodeljs-common > iModels > RequestNewBriefcaseProps RequestNewBriefcaseProps Interface Properties for downloading a briefcase to a local file, from iModelHub. Properties Name Type Description asOf undefined | IModelVersionProps Id of the change set of the new briefcase. briefcaseId undefined | number The BriefcaseId for the new briefcase. contextId string Context (Project or Asset) that the iModel belongs to. fileName undefined | string Full path of local file to store the briefcase. iModelId string The iModelId for the new briefcase. Defined in core/common/src/BriefcaseTypes.ts Line 130 Last Updated: 29 November, 2022