# Javascript: SignatureSettings.customSignatureData Property

> Optional. Application-defined data passed to the signing workflow.

- **Product:** TX Text Control .NET Server
- **Section:** Reference
- **Kind:** Property
- **Path:** TX Text Control .NET Server > Reference > JavaScript API - Document Viewer > Javascript: SignatureSettings.customSignatureData Property
- **Web URL:** https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/javascript-document-viewer/signaturesettings/customsignaturedata-property/
- **LLMs URL:** https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/javascript-document-viewer/signaturesettings/customsignaturedata-property/llms.txt
- **LLMs-Full URL:** https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/javascript-document-viewer/signaturesettings/customsignaturedata-property/llms-full.txt

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## On This Page

- [Description](https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/javascript-document-viewer/signaturesettings/customsignaturedata-property/#description)
- [Syntax](https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/javascript-document-viewer/signaturesettings/customsignaturedata-property/#syntax)
- [Examples](https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/javascript-document-viewer/signaturesettings/customsignaturedata-property/#examples)

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## Nearby

- **Previous:** [SignatureSettings Class](https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/javascript-document-viewer/signaturesettings/llms.txt)
- **Next:** [Javascript: SignatureSettings.customSigning Property](https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/javascript-document-viewer/signaturesettings/customsigning-property/llms.txt)