# UploadedPiece

Defined in: [synapse-react/src/warm-storage/use-upload-pieces.ts:42](https://github.com/FilOzone/synapse-sdk/blob/628d3a8812e8612a183a3abe3328169fb741260b/packages/synapse-react/src/warm-storage/use-upload-pieces.ts#L42)

A piece uploaded and added to the data set by [useUploadPieces](/reference/filoz/synapse-react/functions/useuploadpieces/).

## Properties

### file

> **file**: [`File`](https://developer.mozilla.org/docs/Web/API/File)

Defined in: [synapse-react/src/warm-storage/use-upload-pieces.ts:44](https://github.com/FilOzone/synapse-sdk/blob/628d3a8812e8612a183a3abe3328169fb741260b/packages/synapse-react/src/warm-storage/use-upload-pieces.ts#L44)

The source file.

***

### metadata

> **metadata**: [`MetadataObject`](/reference/filoz/synapse-core/utils/type-aliases/metadataobject/) \| `undefined`

Defined in: [synapse-react/src/warm-storage/use-upload-pieces.ts:52](https://github.com/FilOzone/synapse-sdk/blob/628d3a8812e8612a183a3abe3328169fb741260b/packages/synapse-react/src/warm-storage/use-upload-pieces.ts#L52)

The metadata stored with the piece.

***

### pieceCid

> **pieceCid**: [`PieceCID`](/reference/filoz/synapse-core/piece/classes/piececid/)

Defined in: [synapse-react/src/warm-storage/use-upload-pieces.ts:46](https://github.com/FilOzone/synapse-sdk/blob/628d3a8812e8612a183a3abe3328169fb741260b/packages/synapse-react/src/warm-storage/use-upload-pieces.ts#L46)

The PieceCID.

***

### pieceId

> **pieceId**: `bigint` \| `undefined`

Defined in: [synapse-react/src/warm-storage/use-upload-pieces.ts:48](https://github.com/FilOzone/synapse-sdk/blob/628d3a8812e8612a183a3abe3328169fb741260b/packages/synapse-react/src/warm-storage/use-upload-pieces.ts#L48)

The piece id in the data set, from the confirmed add-pieces transaction.

***

### size

> **size**: `number`

Defined in: [synapse-react/src/warm-storage/use-upload-pieces.ts:50](https://github.com/FilOzone/synapse-sdk/blob/628d3a8812e8612a183a3abe3328169fb741260b/packages/synapse-react/src/warm-storage/use-upload-pieces.ts#L50)

The raw size of the piece in bytes.