public InvalidSignal withReason(String reason) {
        setReason(reason);
        return this;
    }
<p>
A message about why the signal isn't valid.
</p>

@param reason
       A message about why the signal isn't valid.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-iotfleetwise/src/main/java/com/amazonaws/services/iotfleetwise/model/InvalidSignal.java