{
  "$schema": "../../../form-json-schema/resources/schema.json",
  "components": [
    {
      "type": "textfield",
      "label": "{{ foo }} and {{ bar }}",
      "key": "template"
    },
    {
      "type": "textfield",
      "label": "=label_var",
      "key": "expression"
    }
  ],
  "type": "default"
}