public NodeSignal withSignal(NodeSignalValue signal) {
        this.signal = signal.toString();
        return this;
    }
<p>
The signal value.
</p>

@param signal
       The signal value.
@return Returns a reference to this object so that method calls can be chained together.
@see NodeSignalValue
aws-java-sdk-panorama/src/main/java/com/amazonaws/services/panorama/model/NodeSignal.java