tronWeb.transactionBuilder.undelegateResource(amount, receiverAddress, resource, address, options);

Parameters	Parameter Description	Type
amount	the amount of assets to be revoked (sun), larger than 0	Integer
receiverAddress	the account address to receive revoked delegation (base58 or hex)	String
resource	asset type of revoked delegation, optional BANDWIDTH or ENERGY	String
address	the account address of the revoked delegation asset (base58 or hex)	String
options	optional fields	Object

Object

> const transaction = await tronWeb.transactionBuilder.undelegateResource(10e6, 'receiverAddress', 'BANDWIDTH', 'ownerAddress');