PaymentOperationBuilder constructor
Creates a PaymentOperation builder.
destinationAccountId
account id of the receiver.
_asset
Asset to be sent.
_amount
Amount to be sent.
Implementation
PaymentOperationBuilder(
String destinationAccountId, this._asset, this._amount) {
MuxedAccount? dest = MuxedAccount.fromAccountId(destinationAccountId);
this._destination = checkNotNull(dest, "invalid destinationAccountId");
}