> ## Documentation Index
> Fetch the complete documentation index at: https://base-a060aa97-mux-docs-claude-6.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# IB20.METADATA_ROLE

> Generated B20 reference for METADATA_ROLE().

## Signature

```solidity theme={null}
function METADATA_ROLE() external view returns (bytes32);
```

| Field               | Value             |
| ------------------- | ----------------- |
| Selector            | `0x38841782`      |
| Canonical signature | `METADATA_ROLE()` |

## Description

Required to call `updateName`, `updateSymbol`, and `updateContractURI`.

## Returns

Role constant.

## Access control

Read-only or ERC-20-standard access rules unless the NatSpec states otherwise.

## Policy interaction

No direct policy interaction.

## Example

```solidity theme={null}
IB20(target).METADATA_ROLE();
```