{
  "fieldia": "0.1",
  "id": "newsletter",
  "title": "Stay in the loop",
  "description": "Our best guides and news, never more than you ask for. Leave whenever you like.",
  "data": {
    "kind": "responses"
  },
  "maxWidth": "narrow",
  "look": {
    "theme": "shadcn"
  },
  "fields": {
    "email": {
      "type": "char",
      "label": "Email",
      "required": true,
      "pattern": "^[^@\\s]+@[^@\\s]+\\.[^@\\s]+$"
    },
    "first_name": {
      "type": "char",
      "label": "First name"
    },
    "topics": {
      "type": "selection",
      "label": "What would you like to hear about?",
      "multiple": true,
      "required": true,
      "options": [
        {
          "value": "product",
          "label": "New in the product"
        },
        {
          "value": "guides",
          "label": "Guides and tips"
        },
        {
          "value": "events",
          "label": "Events near you"
        },
        {
          "value": "offers",
          "label": "Offers"
        }
      ]
    },
    "frequency": {
      "type": "selection",
      "label": "How often",
      "required": true,
      "options": [
        {
          "value": "weekly",
          "label": "Every week"
        },
        {
          "value": "monthly",
          "label": "Once a month"
        }
      ],
      "default": "monthly"
    }
  },
  "layout": {
    "type": "sections",
    "id": "newsletter",
    "children": [
      {
        "type": "section",
        "id": "signup",
        "columns": 1,
        "children": [
          {
            "type": "field",
            "id": "f-email",
            "field": "email",
            "widget": "email",
            "placeholder": "you@example.com"
          },
          {
            "type": "field",
            "id": "f-first",
            "field": "first_name"
          },
          {
            "type": "field",
            "id": "f-topics",
            "field": "topics",
            "widget": "checkboxes"
          },
          {
            "type": "field",
            "id": "f-frequency",
            "field": "frequency",
            "widget": "radio"
          }
        ]
      }
    ]
  }
}