public String getResponseFieldSitePath() {
                return "site_path";
            }

            @Override
            public String getResponseFieldUrlLink() {
                return "url_link";
            }

            @Override
            public String getIndexFieldExpires() {
                return "expires";
            }

            @Override

					<a class="link" href="${doc.url_link}" data-uri="${doc.url_link}"
						data-id="${doc.doc_id}" data-order="${s.index}">${doc.content_title}</a>
				</h3>
				<div class="body">
					<c:if test="${thumbnailSupport && !empty doc.thumbnail}">
					<div class="me-3">
						<a class="link d-none d-sm-flex" href="${doc.url_link}" data-uri="${doc.url_link}" data-id="${doc.doc_id}"
							data-order="${s.index}"

                                                <li class="col-sm-12">
                                                    <h3 class="title">
                                                        <a href="${doc.url_link}">${doc.content_title}</a>
                                                    </h3>
                                                    <div class="body col-sm-10">

            source.setGoUrl(buildGoUrl(contextPath, source.getDocId(), queryId, requestedTime, i));
            assistantMessage.addSource(source);
        }
    }

    /**
     * Populates the url_link field in the document map if not already present.
     *
     * @param doc the document map
     */
    protected void populateUrlLink(final Map<String, Object> doc) {

response.field.content_title=content_title
# Field name for content description in the response.
response.field.content_description=content_description
# Field name for URL link in the response.
response.field.url_link=url_link
# Field name for site path in the response.
response.field.site_path=site_path
# Maximum length of content title in the response.
response.max.title.length=50
# Maximum length of site path in the response.

    /** The key of the configuration. e.g. content_description */
    String RESPONSE_FIELD_content_description = "response.field.content_description";

    /** The key of the configuration. e.g. url_link */
    String RESPONSE_FIELD_url_link = "response.field.url_link";

    /** The key of the configuration. e.g. site_path */
    String RESPONSE_FIELD_site_path = "response.field.site_path";

    /** The key of the configuration. e.g. 50 */

        assertEquals(sitePath, viewHelper.getSitePath(docMap));

        urlLink = "file:/home/user/";
        sitePath = "/home/user/";
        docMap.put(fieldName, urlLink);
        assertEquals(sitePath, viewHelper.getSitePath(docMap));

        urlLink = "file://home/user/";
        sitePath = "/home/user/";
        docMap.put(fieldName, urlLink);

            }
            if (size >= 0) {
                return site;
            }
        }
        final Object urlLink = docMap.get(fessConfig.getResponseFieldUrlLink());
        if (urlLink != null) {
            final String returnUrl;
            final String url = urlLink.toString();
            if (LOCAL_PATH_PATTERN.matcher(url).find() || SHARED_FOLDER_PATTERN.matcher(url).find()) {

            var source = sources[i];
            var title = source.title || source.url || ('Source ' + (i + 1));
            var navigationUrl = sanitizeUrl(source.goUrl || source.urlLink || source.url);
            var icon = getFileTypeIcon(source.url, source.mimetype);
            var typeLabel = getFileTypeLabel(source.url, source.mimetype);

            html += '<li>' +