diff --git a/acf-json/group_5f9f3d11c5367.json b/acf-json/group_5f9f3d11c5367.json
index 15e5e2a..baccc11 100644
--- a/acf-json/group_5f9f3d11c5367.json
+++ b/acf-json/group_5f9f3d11c5367.json
@@ -191,6 +191,63 @@
             "prepend": "",
             "append": "",
             "maxlength": ""
+        },
+        {
+            "key": "field_60a3fed902bc5",
+            "label": "Authentications",
+            "name": "authentications",
+            "type": "repeater",
+            "instructions": "",
+            "required": 0,
+            "conditional_logic": 0,
+            "wrapper": {
+                "width": "",
+                "class": "",
+                "id": ""
+            },
+            "collapsed": "",
+            "min": 0,
+            "max": 0,
+            "layout": "table",
+            "button_label": "",
+            "sub_fields": [
+                {
+                    "key": "field_60a3ff0002bc6",
+                    "label": "Date",
+                    "name": "date",
+                    "type": "date_picker",
+                    "instructions": "",
+                    "required": 0,
+                    "conditional_logic": 0,
+                    "wrapper": {
+                        "width": "",
+                        "class": "",
+                        "id": ""
+                    },
+                    "display_format": "d\/m\/Y",
+                    "return_format": "d\/m\/Y",
+                    "first_day": 1
+                },
+                {
+                    "key": "field_60a3ff0d02bc7",
+                    "label": "IP Address",
+                    "name": "ip_address",
+                    "type": "text",
+                    "instructions": "",
+                    "required": 0,
+                    "conditional_logic": 0,
+                    "wrapper": {
+                        "width": "",
+                        "class": "",
+                        "id": ""
+                    },
+                    "default_value": "",
+                    "placeholder": "",
+                    "prepend": "",
+                    "append": "",
+                    "maxlength": ""
+                }
+            ]
         }
     ],
     "location": [
@@ -210,5 +267,5 @@
     "hide_on_screen": "",
     "active": true,
     "description": "",
-    "modified": 1606765859
+    "modified": 1621362064
 }
\ No newline at end of file
diff --git a/woocommerce-coupon-gateway.php b/woocommerce-coupon-gateway.php
index 9ca7b6e..95b9b27 100644
--- a/woocommerce-coupon-gateway.php
+++ b/woocommerce-coupon-gateway.php
@@ -137,6 +137,27 @@ function wcg_process_coupon_code_url()
     // set coupon cookie?
     if (!isset($_COOKIE[$coupon_cookie]) || $_COOKIE[$coupon_cookie] != $coupon_code) {
         setcookie($coupon_cookie, $coupon_code, $expire);
+
+        // track the coupon has been used to login - timestamp and IP address
+        $date = date('d/m/Y');
+        $ip = '';
+
+        if (!empty($_SERVER['HTTP_CLIENT_IP'])) {
+            //ip from share internet
+            $ip = $_SERVER['HTTP_CLIENT_IP'];
+        } elseif (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) {
+            //ip pass from proxy
+            $ip = $_SERVER['HTTP_X_FORWARDED_FOR'];
+        } else {
+            $ip = $_SERVER['REMOTE_ADDR'];
+        }
+
+        $row = array(
+            'date' => $date,
+            'ip_address' => $ip
+        );
+        add_row('authentications', $row, $coupon->id);
+
     }
     // set redirect cookie?
     if (!isset($_COOKIE[$redirect_cookie]) || $_COOKIE[$redirect_cookie] != $redirect_slug) {