sample-process-models/misc/qa/forms/test-date-3-date-and-text-field/data-schema.json

{
  "title": "Date and Text Field",
  "type": "object",
  "properties": {
    "delivery_date": {
      "type": "string",
      "format": "date",
      "title": "Preferred Delivery Date",
      "validationErrorMessage": "Date must be today's date or later"
    },
    "firstName": {
      "type": "string",
      "title": "First name"
    }
  },
  "required": []
}