diff --git a/src/main/java/org/gcube/datacatalogue/common/Constants.java b/src/main/java/org/gcube/datacatalogue/common/Constants.java
index 58a4d74..8c02404 100644
--- a/src/main/java/org/gcube/datacatalogue/common/Constants.java
+++ b/src/main/java/org/gcube/datacatalogue/common/Constants.java
@@ -20,7 +20,7 @@ public class Constants {
 	public static final String EXTRAS_RESOURCES = "extras_resources";
 	
 	// common record
-	public static final String UUID_KB_KEY = "GRSF UUID";
+	public static final String UUID_KB_CUSTOM_KEY = "GRSF UUID";
 	public static final String UUID_KB_JSON_KEY = "grsf_uuid";
 	public static final String DOMAIN_CUSTOM_KEY  = "Domain";
 	public static final String DATA_OWNER_CUSTOM_KEY = "Data owner";
@@ -97,11 +97,14 @@ public class Constants {
 	
 	// other fields/regex
 	public static final String DEFAULT_LICENSE = "CC-BY-SA-4.0";
-	public static final String SYSTEM_TYPE = "system:type";
-	public static final String SYSTEM_TYPE_FOR_SOURCES = "Legacy";
+	public static final String SYSTEM_TYPE_CUSTOM_KEY = "system:type";
+	public static final String SYSTEM_TYPE_FOR_SOURCES_VALUE = "Legacy";
 	public static final String GRSF_DATABASE_SOURCE = "Database Source";
 	public static final int TIME_SERIES_TAKE_LAST_VALUES = 5;
 	public static final String REGEX_TAGS = "[^\\s\\w-_.]";
-
+	public static final String ITEM_URL_FIELD = "GRSF Record URL";
+	public static final String GRSF_ADMIN_ORGANIZATION_NAME = "grsf_admin";
+	public static final String GENERIC_RESOURCE_NAME_MAP_KEY_NAMESPACES_STOCK = "GRSF Stock";
+	public static final String GENERIC_RESOURCE_NAME_MAP_KEY_NAMESPACES_FISHERY = "GRSF Fishery";
 	
 }