# UseTXDocumentViewerExtension Class

> Provides ASP.NET Core hosting extensions for the Document Viewer.

- **Product:** TX Text Control .NET Server
- **Section:** Reference
- **Kind:** Class
- **Introduced:** 34.5.0
- **Namespace:** `TXTextControl.Web.MVC.DocumentViewer`
- **Package:** `TXTextControl.Web.DocumentViewer` (assembly `TXTextControl.Web.MVC.DocumentViewer.dll`, from nuget.org, the private NuGet feed or Text Control Offline Packages)
- **Package:** `TXTextControl.Web.DocumentViewer.Classic` (assembly `TXTextControl.Web.MVC.DocumentViewer.dll`, from nuget.org)
- **Path:** TX Text Control .NET Server > Reference > TXTextControl.Web.MVC.DocumentViewer > UseTXDocumentViewerExtension Class
- **Web URL:** https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/txtextcontrol-web-mvc-documentviewer/usetxdocumentviewerextension/
- **LLMs URL:** https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/txtextcontrol-web-mvc-documentviewer/usetxdocumentviewerextension/llms.txt
- **LLMs-Full URL:** https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/txtextcontrol-web-mvc-documentviewer/usetxdocumentviewerextension/llms-full.txt

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## On This Page

- [Description](https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/txtextcontrol-web-mvc-documentviewer/usetxdocumentviewerextension/#description)
- [Syntax](https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/txtextcontrol-web-mvc-documentviewer/usetxdocumentviewerextension/#syntax)
- [Members](https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/txtextcontrol-web-mvc-documentviewer/usetxdocumentviewerextension/#members)

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## In This Section

- [UseTXDocumentViewerExtension.UseTXDocumentViewer Method](https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/txtextcontrol-web-mvc-documentviewer/usetxdocumentviewerextension/usetxdocumentviewer-method/llms.txt): Maps the controller endpoints used by the Document Viewer.

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## Nearby

- **Previous:** [TextControlController.SignDocument Method](https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/txtextcontrol-web-mvc-documentviewer/textcontrolcontroller/signdocument-method/llms.txt)
- **Next:** [UseTXDocumentViewerExtension.UseTXDocumentViewer Method](https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/txtextcontrol-web-mvc-documentviewer/usetxdocumentviewerextension/usetxdocumentviewer-method/llms.txt)