<!-- Extension API v0 — pre-1.0. Interfaces may change without notice until P2 seals the custom-code format. First-party extensions track HEAD. -->

# `design.zone.place`

Place (or reconfigure) an installed extension's storefront block in a zone of the workspace draft — the owner-driven 'Yerleştir'.

- **scope**: `design:write`
- **storefront-visible** (bumps the catalog generation): no
- **destructive**: no

## Payload

| field | type | required | notes |
|---|---|---|---|
| `workspace` | string (/^(main\|ws_[A-Z0-9]{26})$/, default "main") | no |  |
| `zone` | "header.utility" \| "header.below" \| "home.top" \| "home.bottom" \| "product.gallery.after" \| "product.below-buybox" \| "product.after-description" \| "product.bottom" \| "collection.before-grid" \| "collection.after-grid" \| "cart.top" \| "cart.bottom" \| "footer.above" \| "page.top" \| "page.bottom" | yes |  |
| `ext` | string (/^[a-z0-9-]+\.[a-z0-9-]+$/, ≤80 chars) | yes |  |
| `block` | string (/^[a-z][a-z0-9-]{1,39}$/) | yes |  |
| `config` | object | no |  |
| `replace` | boolean (default true) | no |  |
| `expectedRev` | integer (1..9007199254740991) \| null | no |  |

### JSON Schema

```json
{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "type": "object",
  "properties": {
    "workspace": {
      "default": "main",
      "type": "string",
      "pattern": "^(main|ws_[A-Z0-9]{26})$"
    },
    "zone": {
      "type": "string",
      "enum": [
        "header.utility",
        "header.below",
        "home.top",
        "home.bottom",
        "product.gallery.after",
        "product.below-buybox",
        "product.after-description",
        "product.bottom",
        "collection.before-grid",
        "collection.after-grid",
        "cart.top",
        "cart.bottom",
        "footer.above",
        "page.top",
        "page.bottom"
      ]
    },
    "ext": {
      "type": "string",
      "maxLength": 80,
      "pattern": "^[a-z0-9-]+\\.[a-z0-9-]+$"
    },
    "block": {
      "type": "string",
      "pattern": "^[a-z][a-z0-9-]{1,39}$"
    },
    "config": {
      "type": "object",
      "propertyNames": {
        "type": "string",
        "maxLength": 40
      },
      "additionalProperties": {}
    },
    "replace": {
      "default": true,
      "type": "boolean"
    },
    "expectedRev": {
      "default": null,
      "anyOf": [
        {
          "type": "integer",
          "minimum": 1,
          "maximum": 9007199254740991
        },
        {
          "type": "null"
        }
      ]
    }
  },
  "required": [
    "zone",
    "ext",
    "block"
  ],
  "additionalProperties": false
}
```