# Javascript: SignatureSettings.uniqueId Property

> Optional. Application-defined identifier sent with the signing request.

- **Product:** DS Server
- **Section:** Reference
- **Kind:** Property
- **Path:** DS Server > Reference > JavaScript API - Document Viewer > Javascript: SignatureSettings.uniqueId Property
- **Web URL:** https://docs.textcontrol.com/ds-server/reference/javascript-document-viewer/signaturesettings/uniqueid-property/
- **LLMs URL:** https://docs.textcontrol.com/ds-server/reference/javascript-document-viewer/signaturesettings/uniqueid-property/llms.txt
- **LLMs-Full URL:** https://docs.textcontrol.com/ds-server/reference/javascript-document-viewer/signaturesettings/uniqueid-property/llms-full.txt

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## On This Page

- [Description](https://docs.textcontrol.com/ds-server/reference/javascript-document-viewer/signaturesettings/uniqueid-property/#description)
- [Syntax](https://docs.textcontrol.com/ds-server/reference/javascript-document-viewer/signaturesettings/uniqueid-property/#syntax)
- [Examples](https://docs.textcontrol.com/ds-server/reference/javascript-document-viewer/signaturesettings/uniqueid-property/#examples)

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## Nearby

- **Previous:** [Javascript: SignatureSettings.signerName Property](https://docs.textcontrol.com/ds-server/reference/javascript-document-viewer/signaturesettings/signername-property/llms.txt)
- **Next:** [SignatureSubmitCallback Function](https://docs.textcontrol.com/ds-server/reference/javascript-document-viewer/signaturesubmitcallback/llms.txt)