public SnsChannelConfig withTopicArn(String topicArn) {
        setTopicArn(topicArn);
        return this;
    }
<p>
The Amazon Resource Name (ARN) of an Amazon Simple Notification Service topic.
</p>

@param topicArn
       The Amazon Resource Name (ARN) of an Amazon Simple Notification Service topic.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-devopsguru/src/main/java/com/amazonaws/services/devopsguru/model/SnsChannelConfig.java