diff --git a/config/default.json b/config/default.json
index 78588d9..024bef3 100644
--- a/config/default.json
+++ b/config/default.json
@@ -22,14 +22,14 @@
     "id":"uid"
   },
   "hypertopic":{
-    "uid": "id",
-    "displayName": "name",
-    "jpegPhoto": "thumbnail"
+    "uid": ["id"],
+    "displayName": ["name"],
+    "jpegPhoto": ["thumbnail", "resource"]
   },
   "reserved":{
     "attributes":{
-      "dn":0, 
-      "uid":0, 
+      "dn":0,
+      "uid":0,
       "controls":0
     },
     "values":{
diff --git a/index.js b/index.js
index f52d3de..d0cdb1a 100644
--- a/index.js
+++ b/index.js
@@ -18,8 +18,14 @@ var payload = {
     for (var attribute in entry) {
       if (!(attribute in config.reserved.attributes || entry[attribute] in config.reserved.values)) {
         var value = {};
-        value[config.hypertopic[attribute]||attribute] = entry[attribute];
-        this.rows.push({ 
+        if(config.hypertopic[attribute]){
+          for(var indexAttribute in config.hypertopic[attribute]){
+            value[config.hypertopic[attribute][indexAttribute]] = entry[attribute];
+          }
+        }else{
+          value[attribute] = entry[attribute];
+        }
+        this.rows.push({
           key: key,
           value: value
         });
@@ -37,7 +43,7 @@ function sendItems(request, response) {
     filter = '(&' + filter + '('+ config.ldap.id + '=' + request.params.item + '))';
   }
   var options = {
-    scope: 'sub', 
+    scope: 'sub',
     filter: filter,
     attributes: config.ldap.attributes
   };
@@ -55,8 +61,21 @@ function sendItems(request, response) {
   });
 }
 
+function sendEmpty(request, response){
+  response.json({rows: []});
+}
+
+function sendUser(request, response){
+  response.json({rows: [{
+    key:'annuaire',
+    value:{"corpus":{"id":"student", "name":"Étudiants"}}
+  }]});
+}
+
 app.use(cors)
-.get(['/corpus/:corpus', '/item/:corpus/:item'], sendItems);
+.get(['/corpus/:corpus', '/item/:corpus/:item'], sendItems)
+.get('/viewpoint/:viewpoint', sendEmpty)
+.get('/user/annuaire', sendUser);
 
 app.listen(config.port);
 console.log('Server running on port ' + config.port);