> ## Documentation Index
> Fetch the complete documentation index at: https://base-a060aa97-docs-add-b20-spec.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# IB20Asset.OPERATOR_ROLE

> Generated B20 reference for OPERATOR_ROLE().

[Related concept](/base-chain/specs/upgrades/beryl/b20/specification/concepts/variants-asset-vs-stablecoin)

## Signature

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

| Field               | Value             |
| ------------------- | ----------------- |
| Selector            | `0xf5b541a6`      |
| Canonical signature | `OPERATOR_ROLE()` |

## Description

Required to call `announce`, `setUIMultiplier`, `cancelScheduledMultiplier`, and
`updateMultiplier`. The metadata setters (`updateName`, `updateSymbol`,
`updateExtraMetadata`) are gated by the inherited `METADATA_ROLE` instead.
Return: 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}
IB20Asset(target).OPERATOR_ROLE();
```

## Related

* [IB20Asset reference](/base-chain/specs/upgrades/beryl/b20/specification/reference/interfaces/IB20Asset)
* [Constants & addresses](/base-chain/specs/upgrades/beryl/b20/specification/reference/constants-and-addresses)