# UseDeletePieceProps

Defined in: [synapse-react/src/warm-storage/use-delete-piece.ts:9](https://github.com/FilOzone/synapse-sdk/blob/1d6c4b9fe34534bf1087dfe41491b72be0b46858/packages/synapse-react/src/warm-storage/use-delete-piece.ts#L9)

## Properties

### mutation?

```ts
optional mutation: Omit<MutateOptions<TransactionReceipt, Error, UseDeletePieceVariables, unknown>, "mutationFn">;
```

Defined in: [synapse-react/src/warm-storage/use-delete-piece.ts:15](https://github.com/FilOzone/synapse-sdk/blob/1d6c4b9fe34534bf1087dfe41491b72be0b46858/packages/synapse-react/src/warm-storage/use-delete-piece.ts#L15)

***

### onHash()?

```ts
optional onHash: (hash) => void;
```

Defined in: [synapse-react/src/warm-storage/use-delete-piece.ts:13](https://github.com/FilOzone/synapse-sdk/blob/1d6c4b9fe34534bf1087dfe41491b72be0b46858/packages/synapse-react/src/warm-storage/use-delete-piece.ts#L13)

The callback to call when the hash is available.

#### Parameters

| Parameter | Type |
| ------ | ------ |
| `hash` | `string` |

#### Returns

`void`

***

### sessionKey?

```ts
optional sessionKey: SessionKey;
```

Defined in: [synapse-react/src/warm-storage/use-delete-piece.ts:14](https://github.com/FilOzone/synapse-sdk/blob/1d6c4b9fe34534bf1087dfe41491b72be0b46858/packages/synapse-react/src/warm-storage/use-delete-piece.ts#L14)