@Override
	public Object receivePayload(int timeout) {
		Message<?> message = this.messageChannel.receive(timeout);
		return message == null ? null : message.getPayload();
	}
Base class for SingleNode named channel sink types.

@author David Turanski
spring-xd-dirt/src/main/java/org/springframework/xd/dirt/test/sink/AbstractSingleNodeNamedChannelSink.java