[
  {
    "name": "cards",
    "type": "list",
    "label": "Cards",
    "entity": "card",
    "min": 1,
    "max": 100,
    "field": {
      "type": "group",
      "label": "Card",
      "fields": [
        {
          "name": "image",
          "type": "image",
          "label": "Image"
        },
        {
          "name": "description",
          "type": "text",
          "label": "Description",
          "maxLength": 150,
          "optional": true,
          "description": "A short text that is displayed once the two equal cards are found."
        }
      ]
    }
  },
  {
    "label": "Localization",
    "name": "l10n",
    "type": "group",
    "common": true,
    "fields": [
      {
        "label": "Card turns text",
        "name": "cardTurns",
        "type": "text",
        "default": "Card turns"
      },
      {
        "label": "Time spent text",
        "name": "timeSpent",
        "type": "text",
        "default": "Time spent"
      },
      {
        "label": "Feedback text",
        "name": "feedback",
        "type": "text",
        "default": "Good work!"
      }
    ]
  }
]