styleClass="form-control" placeholder="${ph_session_id}"></la:text>
                                        </div>
                                        <div class="form-group ml-sm-2">
                                            <button type="submit" class="btn btn-primary" id="submit"
                                                    name="search"

                                             placeholder="Type a search query"/>
                                </div>
                                <div class="form-group ml-sm-2">
                                    <button type="submit" class="btn btn-primary" id="submit"
                                            name="search" value="<la:message key="labels.search"/>">

			 <!--
			 "node.name":"search_engine",
			 "discovery.seed_hosts":"search_engine",
			 "cluster.initial_cluster_manager_nodes":"search_engine",
			 "node.roles":"cluster_manager,data,ingest,ml",
			 -->
			 "indices.breaker.total.limit":"100%",
			 "action.auto_create_index":"-*"}
		</property>
		<!-- Dictionaries -->
		<postConstruct name="addConfigFile">
			<arg>"fess"</arg>
			<arg>"mapping.txt"</arg>

Find the `supported.languages` property (around line 202) and ensure your language code is included:

```properties
supported.languages=ar,bg,bn,ca,ckb_IQ,cs,da,de,el,en_IE,en,es,et,eu,fa,fi,fr,gl,gu,he,hi,hr,hu,hy,id,it,ja,ko,lt,lv,mk,ml,nl,no,pa,pl,pt_BR,pt,ro,ru,si,sq,sv,ta,te,th,tl,tr,uk,ur,vi,zh_CN,zh_TW,zh
```

**Optional configurations:**

If you create online help documentation:
```properties
online.help.supported.langs=ja,sv  # Add your language

.subtitle&&t.append(n.default("<small />").html(this._config.subtitle)),1==this._config.close){var i=n.default('<button data-dismiss="toast" />').attr("type","button").addClass("ml-2 mb-1 close").attr("aria-label","Close").append('<span aria-hidden="true">&times;</span>');null==this._config.title&&i.toggleClass("ml-2 ml-auto"),t.append(i)}e.append(t),null!=this._config.body&&e.append(n.default('<div class="toast-body" />').html(this._config.body)),n.default(this._getContainerId()).prepend(e);var...