public StartAttachedFileUploadResult withFileArn(String fileArn) {
        setFileArn(fileArn);
        return this;
    }
<p>
The unique identifier of the attached file resource (ARN).
</p>

@param fileArn
       The unique identifier of the attached file resource (ARN).
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-connect/src/main/java/com/amazonaws/services/connect/model/StartAttachedFileUploadResult.java