diff --git a/src/main/java/org/gcube/gcat/api/GCatConstants.java b/src/main/java/org/gcube/gcat/api/GCatConstants.java
index cbbb6e0..8f10119 100644
--- a/src/main/java/org/gcube/gcat/api/GCatConstants.java
+++ b/src/main/java/org/gcube/gcat/api/GCatConstants.java
@@ -33,7 +33,7 @@ public class GCatConstants {
 	public static final String CATALOGUE_MODERATOR = "Catalogue-Moderator";
 	
 	/* Content Moderation fields */
-	public static final String CM_ITEM_STATUS_QUERY_PARAMETER = "cm_item_status";
+	public static final String CM_ITEM_STATUS_QUERY_PARAMETER = "status";
 	public static final String SYSTEM_CM_ITEM_STATUS = "system:cm_item_status";
 	public static final String SYSTEM_CM_ITEM_VISIBILITY = "system:cm_item_visibility";
 	
diff --git a/src/main/java/org/gcube/gcat/api/interfaces/Item.java b/src/main/java/org/gcube/gcat/api/interfaces/Item.java
index 576e9a4..5a1ea3f 100644
--- a/src/main/java/org/gcube/gcat/api/interfaces/Item.java
+++ b/src/main/java/org/gcube/gcat/api/interfaces/Item.java
@@ -7,7 +7,7 @@ import javax.xml.ws.WebServiceException;
 /**
  * @author Luca Frosini (ISTI - CNR)
  */
-public interface Item<C,D> extends CRUD<C,D> {
+public interface Item<C,D> extends CRUD<C,D>, Moderated {
 	
 	public static final String ITEMS = "items";
 	
diff --git a/src/main/java/org/gcube/gcat/api/interfaces/Moderated.java b/src/main/java/org/gcube/gcat/api/interfaces/Moderated.java
new file mode 100644
index 0000000..97724b9
--- /dev/null
+++ b/src/main/java/org/gcube/gcat/api/interfaces/Moderated.java
@@ -0,0 +1,11 @@
+package org.gcube.gcat.api.interfaces;
+
+public interface Moderated {
+	
+	public String approve(String moderatorMessage);
+	
+	public String reject(String moderatorMessage);
+	
+	public void message(String message);
+	
+}