Index: lams_tool_doku/src/java/org/lamsfoundation/lams/tool/dokumaran/dokumaranApplicationContext.xml
===================================================================
diff -u -r368e60d0fd7df1a3e327670ef9d0f3487803110b -r2509a4b8ae30079b238c0af1c508466517584e3b
--- lams_tool_doku/src/java/org/lamsfoundation/lams/tool/dokumaran/dokumaranApplicationContext.xml	(.../dokumaranApplicationContext.xml)	(revision 368e60d0fd7df1a3e327670ef9d0f3487803110b)
+++ lams_tool_doku/src/java/org/lamsfoundation/lams/tool/dokumaran/dokumaranApplicationContext.xml	(.../dokumaranApplicationContext.xml)	(revision 2509a4b8ae30079b238c0af1c508466517584e3b)
@@ -61,6 +61,9 @@
    		<property name="userManagementService">
    			<ref bean="userManagementService"/>
    		</property>
+   		<property name="learnerService">
+   			<ref bean="learnerService"/>
+   		</property>
    		<property name="ratingService">
    			<ref bean="ratingService"/>
    		</property>
Index: lams_tool_doku/src/java/org/lamsfoundation/lams/tool/dokumaran/service/DokumaranService.java
===================================================================
diff -u -re0cdeed1959c06ed434e7a4abec0aa5722128c8b -r2509a4b8ae30079b238c0af1c508466517584e3b
--- lams_tool_doku/src/java/org/lamsfoundation/lams/tool/dokumaran/service/DokumaranService.java	(.../DokumaranService.java)	(revision e0cdeed1959c06ed434e7a4abec0aa5722128c8b)
+++ lams_tool_doku/src/java/org/lamsfoundation/lams/tool/dokumaran/service/DokumaranService.java	(.../DokumaranService.java)	(revision 2509a4b8ae30079b238c0af1c508466517584e3b)
@@ -43,6 +43,7 @@
 import org.lamsfoundation.lams.etherpad.EtherpadException;
 import org.lamsfoundation.lams.etherpad.service.IEtherpadService;
 import org.lamsfoundation.lams.etherpad.util.EtherpadUtil;
+import org.lamsfoundation.lams.learning.service.ILearnerService;
 import org.lamsfoundation.lams.learningdesign.service.ExportToolContentException;
 import org.lamsfoundation.lams.learningdesign.service.IExportToolContentService;
 import org.lamsfoundation.lams.learningdesign.service.ImportToolContentException;
@@ -71,7 +72,6 @@
 import org.lamsfoundation.lams.tool.dokumaran.model.Dokumaran;
 import org.lamsfoundation.lams.tool.dokumaran.model.DokumaranSession;
 import org.lamsfoundation.lams.tool.dokumaran.model.DokumaranUser;
-import org.lamsfoundation.lams.tool.dokumaran.web.controller.LearningWebsocketServer;
 import org.lamsfoundation.lams.tool.exception.DataMissingException;
 import org.lamsfoundation.lams.tool.exception.ToolException;
 import org.lamsfoundation.lams.tool.service.ILamsToolService;
@@ -81,6 +81,7 @@
 import org.lamsfoundation.lams.util.JsonUtil;
 import org.lamsfoundation.lams.util.MessageService;
 
+import com.fasterxml.jackson.databind.node.JsonNodeFactory;
 import com.fasterxml.jackson.databind.node.ObjectNode;
 
 import net.gjerull.etherpad.client.EPLiteClient;
@@ -108,6 +109,8 @@
 
     private IUserManagementService userManagementService;
 
+    private ILearnerService learnerService;
+
     private IRatingService ratingService;
 
     private IExportToolContentService exportContentService;
@@ -561,7 +564,7 @@
 	dokumaran.setGalleryWalkStarted(true);
 	dokumaranDao.saveObject(dokumaran);
 
-	LearningWebsocketServer.sendPageRefreshRequest(toolContentId);
+	sendGalleryWalkRefreshRequest(dokumaran);
     }
 
     @Override
@@ -575,9 +578,20 @@
 	dokumaran.setGalleryWalkFinished(true);
 	dokumaranDao.saveObject(dokumaran);
 
-	LearningWebsocketServer.sendPageRefreshRequest(toolContentId);
+	sendGalleryWalkRefreshRequest(dokumaran);
     }
 
+    private void sendGalleryWalkRefreshRequest(Dokumaran dokumaran) {
+	ObjectNode jsonCommand = JsonNodeFactory.instance.objectNode();
+	jsonCommand.put("hookTrigger", "gallery-walk-refresh-" + dokumaran.getContentId());
+	// get all learners in this doku
+	Set<Integer> userIds = dokumaranSessionDao.getByContentId(dokumaran.getContentId()).stream()
+		.flatMap(session -> dokumaranUserDao.getBySessionID(session.getSessionId()).stream())
+		.collect(Collectors.mapping(user -> user.getUserId().intValue(), Collectors.toSet()));
+
+	learnerService.createCommandForLearners(dokumaran.getContentId(), userIds, jsonCommand.toString());
+    }
+
     // *****************************************************************************
     // private methods
     // *****************************************************************************
@@ -1057,6 +1071,10 @@
 	this.userManagementService = userManagementService;
     }
 
+    public void setLearnerService(ILearnerService learnerService) {
+	this.learnerService = learnerService;
+    }
+
     public void setRatingService(IRatingService ratingService) {
 	this.ratingService = ratingService;
     }
Index: lams_tool_doku/src/java/org/lamsfoundation/lams/tool/dokumaran/web/controller/LearningWebsocketServer.java
===================================================================
diff -u -re606aaebe2ef85c40a4054ef76abf62c94d224a4 -r2509a4b8ae30079b238c0af1c508466517584e3b
--- lams_tool_doku/src/java/org/lamsfoundation/lams/tool/dokumaran/web/controller/LearningWebsocketServer.java	(.../LearningWebsocketServer.java)	(revision e606aaebe2ef85c40a4054ef76abf62c94d224a4)
+++ lams_tool_doku/src/java/org/lamsfoundation/lams/tool/dokumaran/web/controller/LearningWebsocketServer.java	(.../LearningWebsocketServer.java)	(revision 2509a4b8ae30079b238c0af1c508466517584e3b)
@@ -184,7 +184,7 @@
      * Monitor has launched time limit. All learners will need to refresh the page in order to stop showing them
      * waitForTimeLimitLaunch page.
      */
-    public static void sendPageRefreshRequest(Long toolContentId) throws IOException {
+    private static void sendPageRefreshRequest(Long toolContentId) throws IOException {
 	Set<Session> toolContentWebsockets = websockets.get(toolContentId);
 	if (toolContentWebsockets == null) {
 	    return;
Index: lams_tool_doku/web/pages/learning/websocket.jsp
===================================================================
diff -u -r1ad946fb218ec5d1bfe16900aa8cf2cdc1a63da7 -r2509a4b8ae30079b238c0af1c508466517584e3b
--- lams_tool_doku/web/pages/learning/websocket.jsp	(.../websocket.jsp)	(revision 1ad946fb218ec5d1bfe16900aa8cf2cdc1a63da7)
+++ lams_tool_doku/web/pages/learning/websocket.jsp	(.../websocket.jsp)	(revision 2509a4b8ae30079b238c0af1c508466517584e3b)
@@ -59,4 +59,15 @@
 			return;
 		}
 	};
+	
+	
+	$(document).ready(function(){
+		// command websocket stuff for refreshing
+		// trigger is an unique ID of page and action that command websocket code in Page.tag recognises
+		commandWebsocketHookTrigger = 'gallery-walk-refresh-${sessionMap.toolContentID}';
+		// if the trigger is recognised, the following action occurs
+		commandWebsocketHook = function() {
+			location.reload();
+		};
+	});
 </script>
\ No newline at end of file