# IERC721Multiplier

## Interface Description

License: MIT

##

```solidity
interface IERC721Multiplier is IAbstractERC721Multiplier
```

## Functions info

### changeToken (0x4ccc2757)

```solidity
function changeToken(
    uint256 tokenId,
    uint256 multiplier,
    uint64 duration
) external
```

This function is used to change the basic rewards multiplier and the time for which the current nft will be locked

Parameters:

| Name       | Type    | Description                             |
| ---------- | ------- | --------------------------------------- |
| tokenId    | uint256 | the id of the nft to be changed         |
| multiplier | uint256 | the basic rewards multiplier            |
| duration   | uint64  | the time for which an nft can be locked |

### getCurrentMultiplier (0x0aebf7d2)

```solidity
function getCurrentMultiplier(
    address whose
) external view returns (uint256 multiplier, uint256 timeLeft)
```

This function is used to get the current basic rewards multiplier and the time for which the current nft will be locked

Parameters:

| Name  | Type    | Description                           |
| ----- | ------- | ------------------------------------- |
| whose | address | the address of the user to be checked |

Return values:

| Name       | Type    | Description                                             |
| ---------- | ------- | ------------------------------------------------------- |
| multiplier | uint256 | the basic rewards multiplier                            |
| timeLeft   | uint256 | seconds remaining before the current locked nft expires |