> For the complete documentation index, see [llms.txt](https://sdk.venly.io/sdk-reference/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://sdk.venly.io/sdk-reference/ue5-sdk-v3/function-references/token/token-metadata/adderc1155tokenattribute.md).

# AddErc1155TokenAttribute

This endpoint is used to add attributes to a specific NFT.

{% code overflow="wrap" %}

```cpp
void AddErc1155TokenAttribute(EVyChain Chain, FString ContractAddress, int TokenId, const FVyAddErc1155TokenAttributeRequest& Params, const FVyOnAddErc1155TokenAttributeComplete& OnComplete) const;
```

{% endcode %}

\
**Parameters**

| Chain           | [EVyChain](/sdk-reference/ue5-sdk-v3/object-references/shared/enum/evychain.md)                                               | The blockchain of the NFT collection                                                    |
| --------------- | ----------------------------------------------------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------- |
| ContractAddress | FString                                                                                                                       | The NFT contract address                                                                |
| TokenId         | int                                                                                                                           | The \`ID\` of the token                                                                 |
| Params          | [FVyAddErc1155TokenAttributeRequest](/sdk-reference/ue5-sdk-v3/object-references/token/fvyadderc1155tokenattributerequest.md) | Parameters for this operation (FVyAddErc1155TokenAttributeRequest)                      |
| OnComplete      | FVyOnAddErc1155TokenAttributeComplete                                                                                         | The callback function called when the user preferences retrieval operation is complete. |

\
**OnComplete Callback** (FVyOnAddErc1155TokenAttributeComplete)\
Contains a [FVyMetadataDto](/sdk-reference/ue5-sdk-v3/object-references/token/fvymetadatadto.md) response type