---
title: "UpdateNodeDefinitionBody"
description: "The `UpdateNodeDefinitionBody` entity."
section: "Reference"
group: "Types"
order: 248
---

## Definition

```ts
interface UpdateNodeDefinitionBody {
  description?: string | undefined;
}
```

## Fields

| Field         | Type                  | Notes                         |
| ------------- | --------------------- | ----------------------------- |
| `description` | `string \| undefined` | `optional` — New description. |