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

# IB20Asset.effectiveAt

> ERC-8056 pending multiplier timestamp reference.

## Signature

```solidity theme={null}
function effectiveAt() external view returns (uint256);
```

| Field               | Value           |
| ------------------- | --------------- |
| Selector            | `0x97a4064f`    |
| Canonical signature | `effectiveAt()` |

## Description

Returns the timestamp at which the pending UI multiplier becomes effective.

## Related

* [IB20Asset reference](/base-chain/specs/upgrades/beryl/b20/specification/reference/interfaces/IB20Asset)