public StopLaunchRequest withReason(String reason) {
        setReason(reason);
        return this;
    }
<p>
A string that describes why you are stopping the launch.
</p>

@param reason
       A string that describes why you are stopping the launch.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-cloudwatchevidently/src/main/java/com/amazonaws/services/cloudwatchevidently/model/StopLaunchRequest.java