{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "additionalProperties": false,
  "description": "The columns block (layout). Reads: none. Shape: none.",
  "properties": {
    "columns": {
      "description": "2 to 4 blocks side by side, dividing the width equally; they stack under 900 px.",
      "items": {
        "maxProperties": 1,
        "minProperties": 1,
        "propertyNames": {
          "enum": [
            "columns",
            "card",
            "heading",
            "text",
            "markdown",
            "kpis",
            "chart",
            "grid",
            "timeline",
            "list",
            "callout",
            "progress",
            "form",
            "button",
            "approval"
          ]
        },
        "type": "object"
      },
      "maxItems": 4,
      "minItems": 2,
      "type": "array"
    }
  },
  "required": [
    "columns"
  ],
  "title": "columns",
  "type": "object"
}