# unfreezeBalanceV2

The interface used to cancel the staked resources. It can specify the number of canceled stakes, but the number cannot exceed the number that can be canceled. The delegated resources cannot be canceled. (v5.1.0 new interface)

## Usage

``` javascript
tronWeb.transactionBuilder.unfreezeBalanceV2(amount, resource, address, options);
```

## Parameters
| Parameters         | Description                                                  | Type    |
| ------------------ | ------------------------------------------------------------ | ------- |
| amount             | the amount of assets to be frozen (sun), larger than 0       | Integer |
| resource           | the frozen asset type, optional BANDWIDTH or ENERGY          | String  |
| address            | the account address of the frozen asset (base58 or hex)	    | String  |
| options            | optional fields                                              | Object  |

## Returns

Object

## Example

``` javascript
> const transaction = await tronWeb.transactionBuilder.unfreezeBalanceV2(10e6, 'BANDWIDTH', 'TMVQGm1qAQYVdetCeGRRkTWYYrLXuHK2HC')
```