diff --git a/src/main/java/org/gcube/contentmanager/storageclient/wrapper/ISClientConnector.java b/src/main/java/org/gcube/contentmanager/storageclient/wrapper/ISClientConnector.java
index b656c4d..28140d5 100644
--- a/src/main/java/org/gcube/contentmanager/storageclient/wrapper/ISClientConnector.java
+++ b/src/main/java/org/gcube/contentmanager/storageclient/wrapper/ISClientConnector.java
@@ -39,6 +39,14 @@ public class ISClientConnector {
 	protected ServiceEndpoint storageResource;
 	public String region;
 	private static HashMap<String, Object> isCache;
+	/**
+	 * identify the ServiceEndpoint Category of the storage-manager backend
+	 */
+	public final String CATEGORY="DataStorage";
+	/**
+	 * identify the ServiceEndpoint name of the storage-manager backend
+	 */
+	public final String NAME="StorageManager-S3";
 	
 	public ISClientConnector(String backendType){
 		setBackendType(backendType);
@@ -71,7 +79,7 @@ public class ISClientConnector {
 				ScopeProvider.instance.set(scope);
 			}
 			SimpleQuery query = queryFor(ServiceEndpoint.class);
-			query.addCondition("$resource/Profile/Category/text() eq 'DataStorage' and $resource/Profile/Name eq 'StorageManager' ");
+			query.addCondition("$resource/Profile/Category/text() eq '"+CATEGORY+"' and $resource/Profile/Name eq '"+NAME+"' ");
 			DiscoveryClient<ServiceEndpoint> client = clientFor(ServiceEndpoint.class);
 			List<ServiceEndpoint> resources = client.submit(query);
 			if(scope!=null){