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Using external ID in box sign?

  • May 27, 2025
  • 2 replies
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I've been looking through the documents and I can't seem up find this referenced anywhere else... https://support.box.com/hc/en-us/articles/4404105810195-Sending-a-document-for-signature To add an external ID, click the field then click Advanced Options > External Identifier. Use the external ID to pre-fill data from another application. Where is the documentation to use this feature?

    2 replies

    C
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    Hi Wesley,

    You can find that option, once you drag the field (e.g. name) into the sign template document.

    Then click the fields and you should see the advanced options:

    wfb00kGYfJdetHXTxjKt-jqcA.png

     

    However if you are a developer using the Sign API for this, the templates you create on the Box.com app are not yet supported.

    There is a support document describing how to do this programmatically, check it out here.

     

    C
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    Do you expect the UI-based External Identifier to work with the Box Sign API in the near future?

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