Form

{
  "type": "form",
  "form_id": "callback",
  "title": "Request a callback",
  "submit_label": "Request callback",
  "fields": [
    { "name": "full_name", "type": "text", "label": "Your name", "required": true },
    { "name": "email", "type": "email", "label": "Email", "required": true },
    { "name": "team_size", "type": "number", "label": "Team size", "min": 1, "max": 10000 },
    {
      "name": "topic",
      "type": "select",
      "label": "Topic",
      "required": true,
      "options": ["Billing", "Technical", { "label": "Something else", "value": "other" }]
    },
    { "name": "details", "type": "textarea", "label": "Details", "max_length": 1000 },
    { "name": "consent", "type": "checkbox", "label": "Email me about my request" }
  ]
}