@ -3,7 +3,9 @@ In this article, I will describe how to upload and download files in the ABP fra
### Creating App Service.
An empty AppService that uses IRemoteStreamContent was created. What is IRemoteStreamContent, ABP Documentation described: `ABP Framework provides a special type, IRemoteStreamContent to be used to get or return streams in the application services.`
An empty AppService that uses `IRemoteStreamContent` was created. What is IRemoteStreamContent, ABP Documentation described:
> ABP Framework provides a special type, IRemoteStreamContent to be used to get or return streams in the application services.
```csharp
public class StorageAppService: AbpFileUploadDownloadDemoAppService // <-ainheritedfromApplicationService.`ProjectName`+'AppService'.