API Reference > imodeljs-backend > iModels > BriefcaseManager > isStandaloneBriefcaseId isStandaloneBriefcaseId MethodStatic Determine whether the supplied briefcaseId is a standalone briefcase isStandaloneBriefcaseId(id: number): boolean note this function returns true if the id is either unassigned or the value "DeprecatedStandalone" Parameter Type Description id number Returns - boolean Defined in core/backend/src/BriefcaseManager.ts Line 163 Last Updated: 29 November, 2022