public String getTopicName() {
        return this.topicName;
    }
<p>
The topic name for the message signal. It corresponds to topics in ROS 2.
</p>

@return The topic name for the message signal. It corresponds to topics in ROS 2.
aws-java-sdk-iotfleetwise/src/main/java/com/amazonaws/services/iotfleetwise/model/MessageSignal.java