ribedby="S3RoleARNHelpBlock">
                <small id="S3RoleARNHelpBlock" class="form-text text-muted">
                    Optional IAM Role ARN to assume
                </small>
            </div>
        </div>

        <div class="form-group row fsconfig fsconfig-s3fs">
            <label for="idS3KeyPrefix" class="col-sm-2 col-form-label">Key Prefix</label>
            <div class="col-sm-10">
                <input type="text" class="form-control" id="idS3KeyPrefix" name="s3_key_prefix" placeholder