# UploadCallbacks

Defined in: [packages/synapse-sdk/src/types.ts:413](https://github.com/FilOzone/synapse-sdk/blob/bd9e06ee9cf6823545e5c4af63ab47e38bbf43ef/packages/synapse-sdk/src/types.ts#L413)

## Extended by

- [`UploadOptions`](/reference/filoz/synapse-sdk/synapse/interfaces/uploadoptions/)

## Properties

### onCopyComplete?

> `optional` **onCopyComplete?**: (`providerId`, `pieceCid`) => `void`

Defined in: [packages/synapse-sdk/src/types.ts:423](https://github.com/FilOzone/synapse-sdk/blob/bd9e06ee9cf6823545e5c4af63ab47e38bbf43ef/packages/synapse-sdk/src/types.ts#L423)

Called when a secondary copy completes successfully

#### Parameters

| Parameter | Type |
| ------ | ------ |
| `providerId` | `bigint` |
| `pieceCid` | `PieceLink` |

#### Returns

`void`

***

### onCopyFailed?

> `optional` **onCopyFailed?**: (`providerId`, `pieceCid`, `error`) => `void`

Defined in: [packages/synapse-sdk/src/types.ts:425](https://github.com/FilOzone/synapse-sdk/blob/bd9e06ee9cf6823545e5c4af63ab47e38bbf43ef/packages/synapse-sdk/src/types.ts#L425)

Called when a secondary copy fails

#### Parameters

| Parameter | Type |
| ------ | ------ |
| `providerId` | `bigint` |
| `pieceCid` | `PieceLink` |
| `error` | [`Error`](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Error) |

#### Returns

`void`

***

### onPiecesAdded?

> `optional` **onPiecesAdded?**: (`transaction`, `providerId`, `pieces`) => `void`

Defined in: [packages/synapse-sdk/src/types.ts:419](https://github.com/FilOzone/synapse-sdk/blob/bd9e06ee9cf6823545e5c4af63ab47e38bbf43ef/packages/synapse-sdk/src/types.ts#L419)

Called when the addPieces transaction has been submitted for a provider

#### Parameters

| Parameter | Type |
| ------ | ------ |
| `transaction` | `` `0x${string}` `` |
| `providerId` | `bigint` |
| `pieces` | `object`[] |

#### Returns

`void`

***

### onPiecesConfirmed?

> `optional` **onPiecesConfirmed?**: (`dataSetId`, `providerId`, `pieces`) => `void`

Defined in: [packages/synapse-sdk/src/types.ts:421](https://github.com/FilOzone/synapse-sdk/blob/bd9e06ee9cf6823545e5c4af63ab47e38bbf43ef/packages/synapse-sdk/src/types.ts#L421)

Called when the addPieces transaction is confirmed on-chain for a provider

#### Parameters

| Parameter | Type |
| ------ | ------ |
| `dataSetId` | `bigint` |
| `providerId` | `bigint` |
| `pieces` | [`PieceRecord`](/reference/filoz/synapse-sdk/synapse/interfaces/piecerecord/)[] |

#### Returns

`void`

***

### onProgress?

> `optional` **onProgress?**: (`bytesUploaded`) => `void`

Defined in: [packages/synapse-sdk/src/types.ts:415](https://github.com/FilOzone/synapse-sdk/blob/bd9e06ee9cf6823545e5c4af63ab47e38bbf43ef/packages/synapse-sdk/src/types.ts#L415)

Called periodically during upload with bytes uploaded so far

#### Parameters

| Parameter | Type |
| ------ | ------ |
| `bytesUploaded` | `number` |

#### Returns

`void`

***

### onPullProgress?

> `optional` **onPullProgress?**: (`providerId`, `pieceCid`, `status`) => `void`

Defined in: [packages/synapse-sdk/src/types.ts:427](https://github.com/FilOzone/synapse-sdk/blob/bd9e06ee9cf6823545e5c4af63ab47e38bbf43ef/packages/synapse-sdk/src/types.ts#L427)

Called with pull status updates during SP-to-SP transfer

#### Parameters

| Parameter | Type |
| ------ | ------ |
| `providerId` | `bigint` |
| `pieceCid` | `PieceLink` |
| `status` | [`PullStatus`](/reference/filoz/synapse-sdk/synapse/type-aliases/pullstatus/) |

#### Returns

`void`

***

### onStored?

> `optional` **onStored?**: (`providerId`, `pieceCid`) => `void`

Defined in: [packages/synapse-sdk/src/types.ts:417](https://github.com/FilOzone/synapse-sdk/blob/bd9e06ee9cf6823545e5c4af63ab47e38bbf43ef/packages/synapse-sdk/src/types.ts#L417)

Called when piece data has been stored on a provider (before on-chain commit)

#### Parameters

| Parameter | Type |
| ------ | ------ |
| `providerId` | `bigint` |
| `pieceCid` | `PieceLink` |

#### Returns

`void`