API Reference > imodeljs-backend > iModels > ConcurrencyControl > ConcurrencyControl.CodesManager > areAvailable areAvailable Method Beta Check to see if all of the specified codes are available to be reserved. areAvailable(requestContext: AuthorizedClientRequestContext, codes: CodeProps[]): Promise<boolean> Parameter Type Description requestContext AuthorizedClientRequestContext The client request context codes CodeProps[] the list of codes to be reserved. Returns - Promise<boolean> true if all codes are available or false if any is not. Defined in core/backend/src/ConcurrencyControl.ts Line 1268 Last Updated: 11 June, 2024