> For the complete documentation index, see [llms.txt](https://the-artist-xchange.gitbook.io/the-artist-xchange/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://the-artist-xchange.gitbook.io/the-artist-xchange/docs/erc1155holderupgradeable.md).

# ERC1155HolderUpgradeable

Simple implementation of `ERC1155Receiver` that will allow a contract to hold ERC1155 tokens. IMPORTANT: When inheriting this contract, you must include a way to use the received tokens, otherwise they will be stuck.

*Available since v3.1.*

## Methods

### onERC1155BatchReceived

```solidity
function onERC1155BatchReceived(address, address, uint256[], uint256[], bytes) external nonpayable returns (bytes4)
```

#### Parameters

| Name | Type       | Description |
| ---- | ---------- | ----------- |
| \_0  | address    | undefined   |
| \_1  | address    | undefined   |
| \_2  | uint256\[] | undefined   |
| \_3  | uint256\[] | undefined   |
| \_4  | bytes      | undefined   |

#### Returns

| Name | Type   | Description |
| ---- | ------ | ----------- |
| \_0  | bytes4 | undefined   |

### onERC1155Received

```solidity
function onERC1155Received(address, address, uint256, uint256, bytes) external nonpayable returns (bytes4)
```

#### Parameters

| Name | Type    | Description |
| ---- | ------- | ----------- |
| \_0  | address | undefined   |
| \_1  | address | undefined   |
| \_2  | uint256 | undefined   |
| \_3  | uint256 | undefined   |
| \_4  | bytes   | undefined   |

#### Returns

| Name | Type   | Description |
| ---- | ------ | ----------- |
| \_0  | bytes4 | undefined   |

### supportsInterface

```solidity
function supportsInterface(bytes4 interfaceId) external view returns (bool)
```

*See {IERC165-supportsInterface}.*

#### Parameters

| Name        | Type   | Description |
| ----------- | ------ | ----------- |
| interfaceId | bytes4 | undefined   |

#### Returns

| Name | Type | Description |
| ---- | ---- | ----------- |
| \_0  | bool | undefined   |

## Events

### Initialized

```solidity
event Initialized(uint8 version)
```

#### Parameters

| Name    | Type  | Description |
| ------- | ----- | ----------- |
| version | uint8 | undefined   |