---
title: "SignFileUploadPartsBody"
description: "Request body for a FileUploadPart operation."
section: "Reference"
group: "Types"
order: 96
---

## Definition

```ts
interface SignFileUploadPartsBody {
  partNumbers: Array<number>;
}
```

## Fields

| Field         | Type            | Notes                                                                 |
| ------------- | --------------- | --------------------------------------------------------------------- |
| `partNumbers` | `Array<number>` | `required` — Part numbers the client needs fresh pre-signed URLs for. |