diff --git a/plugins/wp_model_plugin/js/init.js b/plugins/wp_model_plugin/js/init.js
index f2b3318..6d5c9c8 100644
--- a/plugins/wp_model_plugin/js/init.js
+++ b/plugins/wp_model_plugin/js/init.js
@@ -1,4 +1,4 @@
 
 const title = document.querySelector(".first_el_to_change");
 title.innerHTML = "--- coucou ;) " + php_data.myvar_1;
-console.log(php_data.myvar_1);
+console.log(php_data);
diff --git a/plugins/wp_model_plugin/php/utils/add_to_front.php b/plugins/wp_model_plugin/php/utils/add_to_front.php
index 2666d10..14d79e8 100644
--- a/plugins/wp_model_plugin/php/utils/add_to_front.php
+++ b/plugins/wp_model_plugin/php/utils/add_to_front.php
@@ -40,6 +40,7 @@ function add_files_to_front($files_arr) {
 /*
  * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 pass variables to front as global variables, accessible in js as an object
+it also adds the ajax url
 @param two params :
 1. an array of key => value
    with the key being name of the variable, like this :
@@ -49,27 +50,15 @@ pass variables to front as global variables, accessible in js as an object
 2. name of first embended script (if we want to have the variables
    availables to all js : it will be available to the script and all following)
 	 - default value is "init", assuming the first script is called "init.js"
-old version :
-- was using wp_add_inline_script() which is rather for scripts than variables
-- it had to write explicitly the variable declaration as "const myvar = 'value'"
 */
 function add_var_to_front($vars, $handle = "init") {
 	$handle = pathinfo($handle, PATHINFO_FILENAME);
 	$object_name = "php_data";
 
+	$ajax_url = admin_url( 'admin-ajax.php' );
+	$vars["ajax_url"] = $ajax_url;
+
 	wp_localize_script($handle, $object_name, $vars);
 }
-// function add_var_to_front($vars, $handle = "init") {
-// 	extract($vars);
-// 	$handle = pathinfo($handle, PATHINFO_FILENAME);
-// 
-// 	foreach ($vars as $key => $var)
-// 	{
-// 		$js_var  = 'const ' . $key . ' = ';
-// 		$js_var .= json_encode($var);
-// 		$js_var .= ';';
-// 		wp_add_inline_script($handle, $js_var, 'before');
-// 	}
-// }
 
 ?>
diff --git a/plugins/wp_model_plugin/plugin_hooks.php b/plugins/wp_model_plugin/plugin_hooks.php
index 3312a70..01ac1e2 100644
--- a/plugins/wp_model_plugin/plugin_hooks.php
+++ b/plugins/wp_model_plugin/plugin_hooks.php
@@ -80,6 +80,7 @@ add_shortcode('wp_model_plugin', 'main_shortcode');
 /*
  * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 menu plugin
+ajax : https://stackoverflow.com/questions/43557755/how-to-call-ajax-in-wordpress
 */
 function plugin_menu() {
 	add_menu_page(