---
title: Model: BaseFieldDefinition
slug: content-marketing-platform/api/model-basefielddefinition
docTags: 
createdAt: 2026-10-01T18:51:26.265Z
---

### Code examples

```json
{
  "core": {
    "key": "",
    "name": "",
    "is_list": false,
    "is_required": false,
    "need_internationalization": false,
    "min_list_length": 0,
    "max_list_length": 0,
    "field_type": "",
    "source_id": "",
    "source_metadata": "",
    "order_index": 0,
    "help_text": "",
    "editor_metadata": {}
  },
  "base_type": "",
  "default_values": [
    {}
  ]
}
```