API Reference > imodeljs-backend > iModels > ConcurrencyControl > areCodesAvailable2 areCodesAvailable2 Method Beta Check to see if all of the specified codes are available. areCodesAvailable2(requestContext: AuthorizedClientRequestContext, codes: CodeProps[]): Promise<boolean> Parameter Type Description requestContext AuthorizedClientRequestContext The client request context codes CodeProps[] Returns - Promise<boolean> true if all codes are available or false if any is not. Defined in core/backend/src/ConcurrencyControl.ts Line 554 Last Updated: 13 June, 2024