Enabling Supplementary Material Upload
You can add supplementary material to the submission form by clicking on the 'Revision' button and adding the following JSON under Additional Submission Options:
"supplementary_material": {
"description": "Supplementary material (e.g. code or video). All supplementary material must be self-contained and zipped into a single file.",
"order": 10,
"value-file": {
"fileTypes": [
"size": 50
"required": false
This will add a supplementary material field to upload zipped files of size up to 50 MB. You can also enable a Submission Revision Stage to allow a separate deadline for Supplementary Material.
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