diff --git a/hook.php b/hook.php
index afb4762..1214934 100644
--- a/hook.php
+++ b/hook.php
@@ -100,6 +100,43 @@ function plugin_example_giveItem($type,$ID,$data,$num) {
    return "";
 }
 
+function plugin_example_addDefaultJoin($type, $ref_table, &$already_link_tables) {
+
+   // Example of default JOIN clause 
+   // No need of the function if you do not have specific cases
+   switch ($type) {
+//       case "PluginExampleExample" :
+      case "MyType" :
+            return Search::addLeftJoin($type, $ref_table, $already_link_tables,
+                                       "newtable", "linkfield");
+   }
+   return "";
+}
+
+function plugin_example_addDefaultSelect($type) {
+
+   // Example of default SELECT item to be added
+   // No need of the function if you do not have specific cases
+   switch ($type) {
+//       case "PluginExampleExample" :
+      case "MyType" :
+            return "`mytable`.`myfield` = 'myvalue' AS MYNAME, ";
+   }
+   return "";
+}
+
+function plugin_example_addDefaultWhere($type) {
+
+   // Example of default WHERE item to be added
+   // No need of the function if you do not have specific cases
+   switch ($type) {
+//       case "PluginExampleExample" :
+      case "MyType" :
+            return " `mytable`.`myfield` = 'myvalue' ";
+   }
+   return "";
+}
+
 
 function plugin_example_addLeftJoin($type,$ref_table,$new_table,$linkfield) {