Retrieve Uploaded Files for Preview Using File Names

When respondents attach a file to a survey, this file can be uploaded to a server or stored directly within a JSON object with survey results. The File Upload demo describes both approaches and shows how to upload a file and store only its URL in survey results. However, if you store file identifiers different from URLs (for instance, file names), file previews are unavailable. This demo explains how to enable file previews when survey results store only file names. Read more...

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