public void setS3KeyPrefix(String s3KeyPrefix) {
        this.s3KeyPrefix = s3KeyPrefix;
    }
<p>
Specifies the Amazon S3 key prefix that comes after the name of the bucket you have designated for storage.
</p>

@param s3KeyPrefix
       Specifies the Amazon S3 key prefix that comes after the name of the bucket you have designated for
       storage.
aws-java-sdk-rekognition/src/main/java/com/amazonaws/services/rekognition/model/MediaAnalysisOutputConfig.java