{
  "schema": {
    "type": "object",
    "title": "Comment",
    "required": [
      "comments"
    ],
    "properties": {
      "comments": {
        "type": "array",
        "maxItems": 2,
        "items": {
          "type": "object",
          "properties": {
            "name": {
              "title": "Name",
              "type": "string"
            },
            "email": {
              "title": "Email",
              "type": "string",
              "pattern": "^\\S+@\\S+$",
              "description": "Email will be used for evil."
            },
            "spam": {
              "title": "Spam",
              "type": "boolean",
              "default": true
            },
            "comment": {
              "title": "Comment",
              "type": "string",
              "maxLength": 20,
              "validationMessage": "Don't be greedy!"
            }
          },
          "required": ["name", "comment"]
        }
      }
    }
  },
  "form": [
    {
      "type": "help",
      "helpvalue": "<h4>Array Example</h4><p>Try adding a couple of forms, reorder by drag'n'drop.</p>"
    },
    {
      "key": "comments",
      "add": "New",
      "style": { "add": "btn-success" },
      "items": [
        "comments[].name",
        "comments[].email",
        {
          "key": "comments[].spam",
          "type": "checkbox",
          "title": "Yes I want spam.",
          "condition": "model.comments[arrayIndex].email"
        },
        {
          "key": "comments[].comment",
          "type": "textarea"
        }
      ]
    },
    {
      "type": "submit",
      "style": "btn-info",
      "title": "OK"
    }
  ]
}