diff --git a/src/main/java/org/gcube/portal/databook/server/DBCassandraAstyanaxImpl.java b/src/main/java/org/gcube/portal/databook/server/DBCassandraAstyanaxImpl.java
index bbaa32e..22469f0 100644
--- a/src/main/java/org/gcube/portal/databook/server/DBCassandraAstyanaxImpl.java
+++ b/src/main/java/org/gcube/portal/databook/server/DBCassandraAstyanaxImpl.java
@@ -2527,6 +2527,21 @@ public final class DBCassandraAstyanaxImpl implements DatabookStore {
 		else if (type.compareTo("TDM_TEMPLATE_SHARE") == 0) {
 			return NotificationType.TDM_TEMPLATE_SHARE;
 		}	
+		else if (type.compareTo("CAT_ITEM_SUBMITTED") == 0) {
+			return NotificationType.CAT_ITEM_SUBMITTED;
+		}
+		else if (type.compareTo("CAT_ITEM_REJECTED") == 0) {
+			return NotificationType.CAT_ITEM_REJECTED;
+		}
+		else if (type.compareTo("CAT_ITEM_PUBLISHED") == 0) {
+			return NotificationType.CAT_ITEM_PUBLISHED;
+		}
+		else if (type.compareTo("CAT_ITEM_UPDATED") == 0) {
+			return NotificationType.CAT_ITEM_UPDATED;
+		}
+		else if (type.compareTo("CAT_ITEM_DELETE") == 0) {
+			return NotificationType.CAT_ITEM_DELETE;
+		}
 		else if (type.compareTo("GENERIC") == 0) {
 			return NotificationType.GENERIC;
 		}
diff --git a/src/main/java/org/gcube/portal/databook/shared/NotificationType.java b/src/main/java/org/gcube/portal/databook/shared/NotificationType.java
index 2d7a03a..36ddfa9 100644
--- a/src/main/java/org/gcube/portal/databook/shared/NotificationType.java
+++ b/src/main/java/org/gcube/portal/databook/shared/NotificationType.java
@@ -154,6 +154,26 @@ public enum NotificationType {
 	 */
 	@Deprecated
 	DOCUMENT_WORKFLOW_STEP_FORWARD_PEER,
+	/**
+	 * catalogue, use to notify someone submits an item for consideration 
+	 */
+	CAT_ITEM_SUBMITTED,
+	/**
+	 * catalogue, use to notify someone rejected a submitted item 
+	 */
+	CAT_ITEM_REJECTED,
+	/**
+	 * catalogue, use to notify someone published an item
+	 */
+	CAT_ITEM_PUBLISHED,
+	/**
+	 * catalogue, use to notify someone updated an item
+	 */
+	CAT_ITEM_UPDATED,
+	/**
+	 * catalogue, use to notify someone removed an item
+	 */
+	CAT_ITEM_DELETE,
 	/**
 	 * generic notification
 	 */