---
title: undelegateResource
---
# undelegateResource <TitleWithCodeLink2 link="undelegateResource" />

The interface used to revoke delegated resource, which can specify the number of revoked resources. (v5.1.0 new interface)

## Usage

``` javascript
const transaction = await tronWeb.transactionBuilder.undelegateResource(amount, receiverAddress, resource, address, options);
```

## Parameters
| Argument         | Description                                                         | Type   |
| ------------------ | ------------------------------------------------------------------- | ------ |
| amount             | The amount of assets to be revoked (sun), larger than 0		       | String |
| receiverAddress    | The account address to receive revoked delegation (base58 or hex)   | String |
| resource           | Optional. Asset type of revoked delegation. Default is `BANDWIDTH`.     | `BANDWIDTH` or `ENERGY`  |
| address            | The account address of the revoked delegation asset (base58 or hex) | Number |
| options            | Permission id for multi-sign and block header for contract block header info.                      | `{ permissionId: number, blockHeader: ... }` |

## Returns
Unsigned transaction object.

## Example

``` javascript
const transaction = await tronWeb.transactionBuilder.undelegateResource(10e6, 'receiverAddress', 'BANDWIDTH', 'TMVQGm1qAQYVdetCeGRRkTWYYrLXuHK2HC');
```