public ServiceQuotaExceededException withReason(ServiceQuotaExceededExceptionReason reason) {
        this.reason = reason.toString();
        return this;
    }
<p>
The reason for the exception.
</p>

@param reason
       The reason for the exception.
@return Returns a reference to this object so that method calls can be chained together.
@see ServiceQuotaExceededExceptionReason
aws-java-sdk-pinpointsmsvoicev2/src/main/java/com/amazonaws/services/pinpointsmsvoicev2/model/ServiceQuotaExceededException.java