# Piece

Defined in: [packages/synapse-core/src/warm-storage/types.ts:51](https://github.com/FilOzone/synapse-sdk/blob/7fdc04df4e3c52366a9f0cd55da4c05e20b2ed82/packages/synapse-core/src/warm-storage/types.ts#L51)

## Extended by

- [`PieceWithMetadata`](/reference/filoz/synapse-core/warm-storage/interfaces/piecewithmetadata/)

## Properties

### cid

> **cid**: `PieceLink`

Defined in: [packages/synapse-core/src/warm-storage/types.ts:52](https://github.com/FilOzone/synapse-sdk/blob/7fdc04df4e3c52366a9f0cd55da4c05e20b2ed82/packages/synapse-core/src/warm-storage/types.ts#L52)

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### id

> **id**: `bigint`

Defined in: [packages/synapse-core/src/warm-storage/types.ts:53](https://github.com/FilOzone/synapse-sdk/blob/7fdc04df4e3c52366a9f0cd55da4c05e20b2ed82/packages/synapse-core/src/warm-storage/types.ts#L53)

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### url

> **url**: `string`

Defined in: [packages/synapse-core/src/warm-storage/types.ts:54](https://github.com/FilOzone/synapse-sdk/blob/7fdc04df4e3c52366a9f0cd55da4c05e20b2ed82/packages/synapse-core/src/warm-storage/types.ts#L54)