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 43af63d..3145981 100644
--- a/src/main/java/org/gcube/portal/databook/server/DBCassandraAstyanaxImpl.java
+++ b/src/main/java/org/gcube/portal/databook/server/DBCassandraAstyanaxImpl.java
@@ -1266,6 +1266,9 @@ public final class DBCassandraAstyanaxImpl implements DatabookStore {
 		else if (type.compareTo("DOCUMENT_WORKFLOW_USER_FORWARD_TO_OWNER") == 0) {
 			return NotificationType.DOCUMENT_WORKFLOW_USER_FORWARD_TO_OWNER;
 		}
+		else if (type.compareTo("DOCUMENT_WORKFLOW_FIRST_STEP_REQUEST_INVOLVMENT") == 0) {
+			return NotificationType.DOCUMENT_WORKFLOW_FIRST_STEP_REQUEST_INVOLVMENT;
+		}
 		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 b55c14a..ddc8a94 100644
--- a/src/main/java/org/gcube/portal/databook/shared/NotificationType.java
+++ b/src/main/java/org/gcube/portal/databook/shared/NotificationType.java
@@ -74,6 +74,11 @@ public enum NotificationType {
 	 * that forwarded to a step where he is requested to do a task
 	 */
 	DOCUMENT_WORKFLOW_STEP_REQUEST_TASK,
+	/**
+	 * use to notify a document workflow user that he was involved into a new Document Workflow
+	 * and he is requested to do a task
+	 */
+	DOCUMENT_WORKFLOW_FIRST_STEP_REQUEST_INVOLVMENT,
 	/**
 	 * use to notify a document workflow owner that a user performed a forward action to another step a document worflow he created
 	 */