diff --git a/hook.php b/hook.php
index 7d14c30..3cbd899 100644
--- a/hook.php
+++ b/hook.php
@@ -500,28 +500,6 @@ function plugin_item_transfer_example($parm) {
    return false;
 }
 
-
-// Parm contains begin, end and who
-// Create data to be displayed in the planning of $parm["who"] or $parm["who_group"] between $parm["begin"] and $parm["end"]
-
-function plugin_planning_populate_example($parm) {
-
-   // Add items in the items fields of the parm array
-   // Items need to have an unique index beginning by the begin date of the item to display
-   // needed to be correcly displayed
-
-   $parm["items"][$parm["begin"]."$$$"."plugin_example1"]["plugin"] = "example";
-   $parm["items"][$parm["begin"]."$$$"."plugin_example1"]["begin"]  = date("Y-m-d 17:00:00");
-   $parm["items"][$parm["begin"]."$$$"."plugin_example1"]["end"]    = date("Y-m-d 18:00:00");
-   $parm["items"][$parm["begin"]."$$$"."plugin_example1"]["name"]   = __("test planning example 1");
-   // Set the ID using the ID of the item in the database to have unique ID
-   $ID = date("Ymd"); // Current date for example
-   $parm["items"][$parm["begin"]."$$$"."plugin_example1"]["planningID"] = "plugin_example".$ID;
-
-   return $parm;
-}
-
-
 // Display the planning item
 function plugin_display_planning_example($parm) {
 
diff --git a/inc/example.class.php b/inc/example.class.php
index eda54d6..8148b78 100644
--- a/inc/example.class.php
+++ b/inc/example.class.php
@@ -169,7 +169,7 @@ class PluginExampleExample extends CommonDBTM {
       return true;
    }
 
-   static function getSpecificValueToDisplay($field, $values, $options=array()) {
+   static function getSpecificValueToDisplay($field, $values, array $options=array()) {
 
       if (!is_array($values)) {
          $values = array($field => $values);
@@ -180,6 +180,24 @@ class PluginExampleExample extends CommonDBTM {
       }
       return '';
    }
+   
+   // Parm contains begin, end and who
+   // Create data to be displayed in the planning of $parm["who"] or $parm["who_group"] between $parm["begin"] and $parm["end"]
+   static function populatePlanning($parm) {
+   
+      // Add items in the output array
+      // Items need to have an unique index beginning by the begin date of the item to display
+      // needed to be correcly displayed
+      $output = array();
+      $output[$parm["begin"]."$$$"."plugin_example1"]["plugin"] = "example";
+      $output[$parm["begin"]."$$$"."plugin_example1"]["begin"]  = date("Y-m-d 17:00:00");
+      $output[$parm["begin"]."$$$"."plugin_example1"]["end"]    = date("Y-m-d 18:00:00");
+      $output[$parm["begin"]."$$$"."plugin_example1"]["name"]   = __("test planning example 1");
+      // Set the ID using the ID of the item in the database to have unique ID
+      $ID = date("Ymd"); // Current date for example
+      $output[$parm["begin"]."$$$"."plugin_example1"]["planningID"] = "plugin_example".$ID;
+      return $output;
+   }   
 }
 
 ?>
diff --git a/setup.php b/setup.php
index f798faf..7e3fd15 100755
--- a/setup.php
+++ b/setup.php
@@ -131,8 +131,11 @@ function plugin_init_example() {
    $PLUGIN_HOOKS['redirect_page']['example']['one'] = 'example.form.php';
    $PLUGIN_HOOKS['redirect_page']['example']['two'] = 'example2.form.php';
 
-   //function to populate planning
-   $PLUGIN_HOOKS['planning_populate']['example'] = 'plugin_planning_populate_example';
+   // function to populate planning
+   // No more used since GLPI 0.84
+   // $PLUGIN_HOOKS['planning_populate']['example'] = 'plugin_planning_populate_example';
+   // Use instead : add class to planning types and define populatePlanning in class
+   $CFG_GLPI['planning_types'][] = 'PluginExampleExample';
 
    //function to display planning items
    $PLUGIN_HOOKS['display_planning']['example'] = 'plugin_display_planning_example';