       <label for="idGCSKeyPrefix" class="col-sm-2 col-form-label">Key Prefix</label>
            <div class="col-sm-10">
                <input type="text" class="form-control" id="idGCSKeyPrefix" name="gcs_key_prefix" placeholder=""
                    value="{{.GCSConfig.KeyPrefix}}" aria-describedby="GCSKeyPrefixHelpBlock">
                <small id="GCSKeyPrefixHelpBlock" class="form-text text-muted">
                    Similar to a chroot for local filesystem. Example: "somedir/subdir/".
            