# pieceAddedLog

> **pieceAddedLog**(`txHash`, `dataSetId`, `pieceId`, `logIndex`): [`RpcLog`](/reference/filoz/synapse-core/mocks/type-aliases/rpclog/)

Defined in: [packages/synapse-core/src/mocks/jsonrpc/transactions.ts:52](https://github.com/FilOzone/synapse-sdk/blob/56f1ef3fb5ccfea19fb80cb59e997e381f37d85a/packages/synapse-core/src/mocks/jsonrpc/transactions.ts#L52)

An FWSS `PieceAdded` log.

## Parameters

| Parameter | Type | Description |
| ------ | ------ | ------ |
| `txHash` | `` `0x${string}` `` | The transaction hash. |
| `dataSetId` | `bigint` | The data set ID. |
| `pieceId` | `bigint` | The piece ID. |
| `logIndex` | `number` | The log index in the receipt. |

## Returns

[`RpcLog`](/reference/filoz/synapse-core/mocks/type-aliases/rpclog/)