{
  "$schema": "../../../form-json-schema/resources/schema.json",
  "components": [
    {
      "key": "product",
      "label": "Product",
      "type": "radio",
      "values": []
    },
    {
      "key": "mailto",
      "label": "Email Summary To",
      "type": "checklist",
      "valuesExpression": "=myList"
    },
    {
      "key": "foo",
      "type": "taglist",
      "valuesExpression": "=concatenate(myList2,myList3,myList4)"
    }
  ],
  "type": "default"
}