---
title: Model: ChangeHistoryChange
slug: feature-experimentation/api/model-changehistorychange
docTags: 
createdAt: 2026-10-01T19:58:02.336Z
---

### Code examples

```json
{
  "change_type": "",
  "changes": [
    {
      "after": "",
      "before": "",
      "description": "",
      "property": ""
    }
  ],
  "created": "",
  "entity": {
    "api_url": "",
    "id": "",
    "name": "",
    "sub_type": "",
    "type": "",
    "ui_url": ""
  },
  "id": "",
  "project_id": "",
  "revisions": {
    "current": {
      "id": 0
    },
    "previous": {
      "id": 0
    }
  },
  "source": "",
  "summary": "",
  "user": {
    "display_name": "",
    "email": "",
    "first_name": "",
    "id": "",
    "last_name": "",
    "profile_image_url": ""
  }
}
```