---
title: Model: Extension
slug: web-experimentation/api/model-extension
docTags: 
createdAt: 2026-10-02T13:15:18.296Z
---

### Code examples

```json
{
  "archived": false,
  "created": "",
  "description": "",
  "edit_url": "",
  "enabled": false,
  "experiment_count": "",
  "fields": [
    {
      "api_name": "",
      "default_value": "",
      "field_type": "",
      "label": "",
      "options": {
        "choices": [
          {
            "label": "",
            "value": ""
          }
        ]
      }
    }
  ],
  "id": "",
  "implementation": {
    "apply_js": "",
    "css": "",
    "html": "",
    "reset_js": ""
  },
  "last_modified": "",
  "name": "",
  "project_id": ""
}
```