public ScalingActivity withCause(String cause) {
        setCause(cause);
        return this;
    }
<p>
A simple description of what caused the scaling activity to happen.
</p>

@param cause
       A simple description of what caused the scaling activity to happen.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-applicationautoscaling/src/main/java/com/amazonaws/services/applicationautoscaling/model/ScalingActivity.java