# EmbeddedFile.Relationship Property

> PDF/A only. Gets an optional string describing the relationship of the embedded file and the containing document. This string can be a predefined value or should follow the rules for second-class names (ISO 32000-1, Annex E). Predefined values are "Source", "Data", "Alternative", "Supplement" or "Unspecified". It is null, if a relationship string is not available.

- **Product:** TX Text Control .NET for WPF
- **Section:** Reference
- **Kind:** Property
- **Introduced:** 33.0
- **Namespace:** `TXTextControl.DocumentServer.PDF`
- **Package:** `TXTextControl.TextControl.WPF.SDK` (assembly `TXDocumentServer.dll`, from the private NuGet feed or Text Control Offline Packages)
- **.NET Framework:** reference `TXDocumentServer.dll` from the setup
- **Path:** TX Text Control .NET for WPF > Reference > TXTextControl.DocumentServer.PDF > EmbeddedFile.Relationship Property
- **Web URL:** https://docs.textcontrol.com/tx-text-control-dotnet-wpf/reference/txtextcontrol-documentserver-pdf/embeddedfile/relationship-property/
- **LLMs URL:** https://docs.textcontrol.com/tx-text-control-dotnet-wpf/reference/txtextcontrol-documentserver-pdf/embeddedfile/relationship-property/llms.txt
- **LLMs-Full URL:** https://docs.textcontrol.com/tx-text-control-dotnet-wpf/reference/txtextcontrol-documentserver-pdf/embeddedfile/relationship-property/llms-full.txt

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## On This Page

- [Description](https://docs.textcontrol.com/tx-text-control-dotnet-wpf/reference/txtextcontrol-documentserver-pdf/embeddedfile/relationship-property/#description)
- [Syntax](https://docs.textcontrol.com/tx-text-control-dotnet-wpf/reference/txtextcontrol-documentserver-pdf/embeddedfile/relationship-property/#syntax)
- [Examples](https://docs.textcontrol.com/tx-text-control-dotnet-wpf/reference/txtextcontrol-documentserver-pdf/embeddedfile/relationship-property/#examples)
- [Limitations](https://docs.textcontrol.com/tx-text-control-dotnet-wpf/reference/txtextcontrol-documentserver-pdf/embeddedfile/relationship-property/#limitations)

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## Nearby

- **Previous:** [EmbeddedFile.MimeType Property](https://docs.textcontrol.com/tx-text-control-dotnet-wpf/reference/txtextcontrol-documentserver-pdf/embeddedfile/mimetype-property/llms.txt)
- **Next:** [EmbeddedFile.StringData Property](https://docs.textcontrol.com/tx-text-control-dotnet-wpf/reference/txtextcontrol-documentserver-pdf/embeddedfile/stringdata-property/llms.txt)