public AttachmentStateChange withAttachmentArn(String attachmentArn) {
        setAttachmentArn(attachmentArn);
        return this;
    }
<p>
The Amazon Resource Name (ARN) of the attachment.
</p>

@param attachmentArn
       The Amazon Resource Name (ARN) of the attachment.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-ecs/src/main/java/com/amazonaws/services/ecs/model/AttachmentStateChange.java