diff --git a/default-lc-managers/src/main/java/org/gcube/application/cms/plugins/implementations/Default3PhaseManager.java b/default-lc-managers/src/main/java/org/gcube/application/cms/plugins/implementations/Default3PhaseManager.java
index ac9e275..4af8e61 100644
--- a/default-lc-managers/src/main/java/org/gcube/application/cms/plugins/implementations/Default3PhaseManager.java
+++ b/default-lc-managers/src/main/java/org/gcube/application/cms/plugins/implementations/Default3PhaseManager.java
@@ -22,6 +22,7 @@ import org.gcube.application.geoportal.common.utils.Files;
 
 import com.vdurmont.semver4j.Semver;
 
+import SimpleLifeCycleManager.Phases;
 import lombok.extern.slf4j.Slf4j;
 
 @Slf4j
@@ -37,11 +38,13 @@ public class Default3PhaseManager extends SimpleLifeCycleManager implements Life
         public static final OperationDescriptor SUBMIT=new OperationDescriptor("SUBMIT-FOR-REVIEW","Submits the Draft for reviewing");
         public static final OperationDescriptor REJECT=new OperationDescriptor("REJECT-DRAFT","Rejects the submitted Draft");
         public static final OperationDescriptor APPROVE=new OperationDescriptor("APPROVE-SUBMITTED","Approves the submitted Draft");
+        public static final OperationDescriptor UNPUBLISH = new OperationDescriptor("UNPUBLISH","UnPublish the project. DeMaterialize and DeIndex the project");
 
         static {
             SUBMIT.setAppliableToPhases(Collections.singletonList(LifecycleInformation.CommonPhases.DRAFT_PHASE));
             REJECT.setAppliableToPhases(Collections.singletonList(Phases.PENDING_APPROVAL));
             APPROVE.setAppliableToPhases(Collections.singletonList(Phases.PENDING_APPROVAL));
+            UNPUBLISH.setAppliableToPhases(Collections.singletonList(Phases.PUBLISHED));
         }
     }