> ## 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.updateContractURI

> Generated B20 reference for updateContractURI(string).

## Signature

```solidity theme={null}
function updateContractURI(string calldata newURI) external;
```

| Field               | Value                       |
| ------------------- | --------------------------- |
| Selector            | `0x7e5b1e24`                |
| Canonical signature | `updateContractURI(string)` |

## Description

Updates `contractURI`. Emits the parameterless `ContractURIUpdated` event per ERC-7572; integrators re-fetch `contractURI()` after observing it.

## Parameters

| Parameter | Description       |
| --------- | ----------------- |
| `newURI`  | New contract URI. |

## Reverts

* `AccessControlUnauthorizedAccount` when the caller does not hold `METADATA_ROLE`.

## Access control

`METADATA_ROLE` gates this call.

## Policy interaction

No direct policy interaction.

## Example

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