diff --git a/README.md b/README.md
index 39b8a36..392f615 100644
--- a/README.md
+++ b/README.md
@@ -3,4 +3,11 @@
 - this project uses submodules recursively, so after cloning you need to do :
   `git submodule update --init --recursive`
 
-- `wp_add_inline_script`
+### todo :
+- [read this guide to plugins development](https://developer.wordpress.org/plugins/)
+- [learning about the rest api](https://developer.wordpress.org/plugins/settings/options-api/)
+- ajax :
+	- [using fetch ajax](https://ricard.dev/how-to-use-wordpress-admin-ajax-with-fetch-api/)
+	- [wp ajax course](https://developer.wordpress.org/plugins/javascript/ajax/)
+	- [examples from stackoverflow](https://stackoverflow.com/questions/43557755/how-to-call-ajax-in-wordpress)
+	- using `admin_url('admin-ajax.php')` or `wp-utils`
diff --git a/plugins/wp_model_plugin/php/menu/menu.php b/plugins/wp_model_plugin/php/menu/menu.php
new file mode 100644
index 0000000..c28aab3
--- /dev/null
+++ b/plugins/wp_model_plugin/php/menu/menu.php
@@ -0,0 +1,27 @@
+<?php
+
+function wp_model_plugin_content() {
+	echo "
+		<input type='text' id='mytext'>
+		<button id='mybutton'>send</button>
+
+		<script>
+			const inputElement = document.getElementById('mytext');
+			const sendButton = document.getElementById('mybutton');
+
+			sendButton.addEventListener('click', () => {
+				const inputValue = inputElement.value;
+				const myurl = php_data.ajax_url;
+				console.log(myurl);
+
+				fetch(url, {
+					method: 'POST',
+					credentials: 'same-origin',
+					body: JSON.stringify({ data: inputValue })
+				})
+			});
+		</script>
+	";
+}
+
+?>
diff --git a/plugins/wp_model_plugin/plugin_hooks.php b/plugins/wp_model_plugin/plugin_hooks.php
index 01ac1e2..a0de4ad 100644
--- a/plugins/wp_model_plugin/plugin_hooks.php
+++ b/plugins/wp_model_plugin/plugin_hooks.php
@@ -93,4 +93,11 @@ function plugin_menu() {
 }
 add_action('admin_menu', 'plugin_menu');
 
+add_action( 'wp_ajax_nopriv_get_data', 'my_ajax_handler' );
+add_action( 'wp_ajax_get_data', 'my_ajax_handler' );
+
+function my_ajax_handler() {
+	wp_send_json_success( 'It works' );
+}
+
 ?>