sample-process-models/misc/test/e2e-8/upload-document-uischema.json

{
  "invoice": {
    "ui:order": []
  },
  "filesAccept": {
    "ui:help": "Click here to select file to upload",
    "ui:options": {
      "accept": ".pdf"
    }
  },
  "ui:order": [
    "invoice",
    "filesAccept"
  ]
}