diff --git a/README.MD b/README.MD
index 98771a8..d9a7d7a 100644
--- a/README.MD
+++ b/README.MD
@@ -55,5 +55,124 @@ $store->set('age', 25);                // Integer value
 
 
 ?>
+```
+* Using the points system and subscriptions with the package:
+```
+<?php
+// Examples by chatGPT with Ali
+
+require_once 'base.php'; // import module class
+
+$store = new KeyValueStore('my_database.sqlite'); // add db filename
+
+date_default_timezone_set("Asia/Baghdad");
+
+function get2point2days($user) {
+    global $store;
+  
+    $person = $store->get($user);
+    echo $person;
+    $person=json_decode($person, true);
+    
+    if ($person !== null) {
+        $earlier = new DateTime("now");
+        $later = new DateTime($person['subscription_date']);
+        $abs_diff = $later->diff($earlier)->format("%a");
+
+        if ($person['points'] < 1) {
+            $store->delete("points_$user");
+            return [0, 0];
+        } elseif ($abs_diff < 1) {
+            $store->delete($user);
+            return [0, 0];
+        } else {
+            return [$person['points'], $abs_diff + 1];
+        }
+    } else {
+        return [0, 0];
+    }
+}
+
+function del2point2days($user) {
+    global $store;
+
+    $person = $store->get($user);
+    $person=json_decode($person, true);
+    if ($person !== null) {
+        $apoints = $person['points'] - 1;
+        $person['points'] = $apoints;
+
+        $earlier = new DateTime("now");
+        $later = new DateTime($person['subscription_date']);
+        $abs_diff = $later->diff($earlier)->format("%a");
+
+        $store->set($user, $person);
+
+        return [$apoints, $abs_diff + 1];
+    }
+    
+    return [0, 0];
+}
+
+function add2point2days($user, $points, $days   ,$name) {
+    global $store;
+
+    $person = $store->get($user);
+    $person=json_decode($person, true);
+
+    $earlier = new DateTime("now");
+    $later = new DateTime();
+    $abs_diff = 0;
+    $subscription_count=1;
+    if ($person !== null) {
+        $later = new DateTime($person['subscription_date']);
+        $abs_diff = $later->diff($earlier)->format("%a");
+        $subscription_count=$person['subscription_count']  +  1;
+    };
+
+    $adays = $days + $abs_diff + 1;
+    $apoints = $points;
 
+    if ($person !== null) {
+        $apoints += $person['points'];
+    }
+
+    $dt = date("Y-m-d");
+    $subscription_date = date("Y-m-d", strtotime("$dt +$adays day"));
+
+    $person = [
+        'id' => $user,
+        'points' => $apoints,
+        'days_remaining' => $adays,
+        'subscription_date' => $subscription_date,
+        'name' => $name,
+        'subscription_count' => $subscription_count,
+        'last_subscription' => $dt
+    ];
+
+    $store->set($user, $person);
+
+    return [$apoints, $adays];
+}
+
+
+
+
+$user=123;
+
+//echo get2point2days($user) ;
+//[0,0]   ,   
+// {"id":123,"points":9,"days_remaining":18,"subscription_date":"2023-06-13","name":"Ali","subscription_count":2,"last_subscription":"2023-05-26"}
+
+//del2point2days($user);
+
+//{"id":123,"points":8,"days_remaining":18,"subscription_date":"2023-06-13","name":"Ali","subscription_count":2,"last_subscription":"2023-05-26"}
+
+
+//add2point2days($user,2, 5   ,"Ali");
+//{"id":123,"points":11,"days_remaining":23,"subscription_date":"2023-06-18","name":"Ali","subscription_count":3,"last_subscription":"2023-05-26"}
+
+
+
+?>
 ```