Azure Function Add Assembly
The following assemblies are automatically added by the Azure Functions hosting environment: mscorlibSystemSystem.CoreSystem.XmlSystem.Net.HttpMicrosoft.Azure.WebJobsMicrosoft.Azure.WebJobs.HostMicrosoft.Azure.WebJobs.ExtensionsSystem.Web.HttpSystem.Net.Http.Formatting The following assemblies may be referenced by simple-name (for example, #r “AssemblyName”): Newtonsoft.JsonMicrosoft.WindowsAzure.StorageMicrosoft.ServiceBusMicrosoft.AspNet.WebHooks.ReceiversMicrosoft.AspNet.WebHooks.CommonMicrosoft.Azure.NotificationHubs Sources: https://docs.microsoft.com/en-us/answers/questions/107470/how-to-add-reference-to-directives-in-azure-functi.html