public void setContentArn(String contentArn) {
        this.contentArn = contentArn;
    }
<p>
The Amazon Resource Name (ARN) of the content.
</p>

@param contentArn
       The Amazon Resource Name (ARN) of the content.
aws-java-sdk-connectwisdom/src/main/java/com/amazonaws/services/connectwisdom/model/ContentData.java