diff --git a/src/main/java/org/gcube/portal/databook/client/GCubeSocialNetworking.java b/src/main/java/org/gcube/portal/databook/client/GCubeSocialNetworking.java
index 725d3cd..565127d 100644
--- a/src/main/java/org/gcube/portal/databook/client/GCubeSocialNetworking.java
+++ b/src/main/java/org/gcube/portal/databook/client/GCubeSocialNetworking.java
@@ -9,6 +9,7 @@ public class GCubeSocialNetworking implements EntryPoint {
 	public static final String USER_PROFILE_OID = "userIdentificationParameter";
 	public static final String HASHTAG_OID = "hashtagIdentificationParameter";
 	public static final String SEARCH_OID = "elasticSearchIdentificationParameter";
+	public static final String SHOW_STATISTICS_ACTION_OID = "showUserStatisticsActionParameter"; // see ShowUserStatisticAction
 	public static final String GROUP_MEMBERS_OID = "teamIdentificationParameter";
 	public void onModuleLoad() {
 	}
diff --git a/src/main/java/org/gcube/portal/databook/shared/ShowUserStatisticAction.java b/src/main/java/org/gcube/portal/databook/shared/ShowUserStatisticAction.java
new file mode 100644
index 0000000..c90d951
--- /dev/null
+++ b/src/main/java/org/gcube/portal/databook/shared/ShowUserStatisticAction.java
@@ -0,0 +1,25 @@
+package org.gcube.portal.databook.shared;
+
+/**
+ * Enum class that specify the possible actions to take when the GCubeSocialNetworking.SHOW_STATISTICS_ACTION_OID parameter
+ * is found in the page url
+ * @author Costantino Perciante at ISTI-CNR (costantino.perciante@isti.cnr.it)
+ */
+public enum ShowUserStatisticAction {
+
+	POSTS_MADE_BY_USER("Recent Posts"),
+	LIKES_MADE_BY_USER("Recent Likes Made"),
+	COMMENTS_MADE_BY_USER("Recent Comments Made"),
+	LIKES_GOT_BY_USER("Recent Likes Got"),
+	COMMENTS_GOT_BY_USER("Recent Comments Got");
+	
+	private final String actionHumanFriendly;
+	
+	private ShowUserStatisticAction(String s) {
+		actionHumanFriendly = s;
+    }
+
+	public String getHumanFriendlyAction() {
+		return this.actionHumanFriendly;
+	}
+}