> 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-type-metadata/updateerc1155tokentypemetadata.md).

# UpdateErc1155TokenTypeMetadata

This endpoint is used to update the metadata of a token-type.

{% code overflow="wrap" %}

```cpp
void UpdateErc1155TokenTypeMetadata(EVyChain Chain, FString ContractAddress, int TokenTypeId, const FVyUpdateErc1155TokenTypeMetadataRequest& Params, const FVyOnUpdateErc1155TokenTypeMetadataComplete& OnComplete) const;
```

{% endcode %}

\
**Parameters**

| Chain           | [EVyChain](/sdk-reference/ue5-sdk-v3/object-references/shared/enum/evychain.md)                                                           | The blockchain of the contract.                                                         |
| --------------- | ----------------------------------------------------------------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------- |
| ContractAddress | FString                                                                                                                                   | The contract address.                                                                   |
| TokenTypeId     | int                                                                                                                                       | The \`id\` of the token-type whose metadata you want to update.                         |
| Params          | [FVyUpdateErc1155TokenTypeMetadataRequest](/sdk-reference/ue5-sdk-v3/object-references/token/fvyupdateerc1155tokentypemetadatarequest.md) | Parameters for this operation (FVyUpdateErc1155TokenTypeMetadataRequest)                |
| OnComplete      | FVyOnUpdateErc1155TokenTypeMetadataComplete                                                                                               | The callback function called when the user preferences retrieval operation is complete. |

\
**OnComplete Callback** (FVyOnUpdateErc1155TokenTypeMetadataComplete)\
Contains a [FVyMetadataDto](/sdk-reference/ue5-sdk-v3/object-references/token/fvymetadatadto.md) response type