# DataSetData

Defined in: [packages/synapse-sdk/src/types.ts:668](https://github.com/FilOzone/synapse-sdk/blob/d9d7ff65cc57a0664db3a209a0d25c3a4d4e34f0/packages/synapse-sdk/src/types.ts#L668)

Data set data returned from the API

## Properties

### id

> **id**: `bigint`

Defined in: [packages/synapse-sdk/src/types.ts:670](https://github.com/FilOzone/synapse-sdk/blob/d9d7ff65cc57a0664db3a209a0d25c3a4d4e34f0/packages/synapse-sdk/src/types.ts#L670)

The data set ID

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### nextChallengeEpoch

> **nextChallengeEpoch**: `number`

Defined in: [packages/synapse-sdk/src/types.ts:674](https://github.com/FilOzone/synapse-sdk/blob/d9d7ff65cc57a0664db3a209a0d25c3a4d4e34f0/packages/synapse-sdk/src/types.ts#L674)

Next challenge epoch

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### pieces

> **pieces**: [`DataSetPieceData`](/reference/filoz/synapse-sdk/synapse/interfaces/datasetpiecedata/)[]

Defined in: [packages/synapse-sdk/src/types.ts:672](https://github.com/FilOzone/synapse-sdk/blob/d9d7ff65cc57a0664db3a209a0d25c3a4d4e34f0/packages/synapse-sdk/src/types.ts#L672)

Array of piece data in the data set