Function API only Updated 17 Oct 2026

`getUploadBase64(targetFileName)`

Returns an uploaded file, picked by its form field name, as a base64 encoded string.

Parameters

targetFileNamestringrequired

The form field name the file was posted in — the Name property from getUploads, not the file name.

Returns

The first non-empty file posted in that form field, as a base64 encoded string. null when there is no such file or the name is empty.

Example

Normal JavaScript, running in the browser or on the Docly™ server.

let uploads = docly.getUploads();

for(let upload of uploads)
{
    let data = docly.getUploadBase64(upload.Name);
    // Do something with the data, maybe save it as an embedded attachment?
}