diff --git a/README.md b/README.md
index 02a3013..7cd441b 100644
--- a/README.md
+++ b/README.md
@@ -175,7 +175,8 @@ $result = SimplePay::payment()->finish(new FinishRequest(
     currency: Currency::HUF,
     transactionId: $transactionId,
     orderRef: 'ORDER-2026-001',
-    approveTotal: 25400,
+    amount: 25400,        // the amount to capture (approveTotal)
+    originalTotal: 25400, // the authorized amount
 ));
 ```
 
@@ -189,7 +190,7 @@ $result = SimplePay::payment()->refund(new RefundRequest(
     currency: Currency::HUF,
     transactionId: $transactionId,
     orderRef: 'ORDER-2026-001',
-    refundTotal: 25400,
+    amount: 25400,
 ));
 
 // Partial refund
@@ -197,7 +198,7 @@ $result = SimplePay::payment()->refund(new RefundRequest(
     currency: Currency::HUF,
     transactionId: $transactionId,
     orderRef: 'ORDER-2026-001',
-    refundTotal: 10000,
+    amount: 10000,
 ));
 ```
 
@@ -381,11 +382,11 @@ Available events (all receive `IpnMessage` DTO):
 The `IpnMessage` DTO contains:
 
 ```php
-$event->ipnMessage->orderRef;       // Your order reference
-$event->ipnMessage->transactionId;  // SimplePay transaction ID
-$event->ipnMessage->status;         // PaymentStatus enum
-$event->ipnMessage->paymentMethod;  // PaymentMethod enum
-$event->ipnMessage->cardMask;       // Masked card number
+$event->ipn->orderRef;       // Your order reference
+$event->ipn->transactionId;  // SimplePay transaction ID
+$event->ipn->status;         // PaymentStatus enum
+$event->ipn->paymentMethod;  // Payment method as a string, e.g. "CARD"
+$event->ipn->cardMask;       // Masked card number
 ```
 
 ## Back URL Handling
@@ -429,7 +430,7 @@ Always use enum cases instead of raw strings:
 - **`PaymentStatus`** -- `INIT`, `FINISHED`, `AUTHORIZED`, `NOTAUTHORIZED`, `INPAYMENT`, `CANCELLED`, `TIMEOUT`, `INFRAUD`, `FRAUD`, `REFUND`, `REVERSED`
 - **`BackEvent`** -- `SUCCESS`, `FAIL`, `CANCEL`, `TIMEOUT`, `PENDING` (Request to Pay)
 - **`TransactionType`** -- `CIT` (Customer Initiated), `MIT` (Merchant Initiated), `REC` (Recurring)
-- **`ErrorCode`** -- 358+ error codes with Hungarian descriptions
+- **`ErrorCode`** -- 350+ error codes with Hungarian descriptions
 
 ## Error Handling
 
diff --git a/examples/en/query-refund-cancel.md b/examples/en/query-refund-cancel.md
index e70703c..87dfb8f 100644
--- a/examples/en/query-refund-cancel.md
+++ b/examples/en/query-refund-cancel.md
@@ -88,26 +88,29 @@ For transactions started with `twoStep: true`, use `finish()` to capture the aut
 ```php
 use Netipar\SimplePay\Facades\SimplePay;
 use Netipar\SimplePay\Enums\Currency;
+use Netipar\SimplePay\Dto\FinishRequest;
 
 // Capture the full authorized amount
-$finish = SimplePay::payment()->finish(
+$finish = SimplePay::payment()->finish(new FinishRequest(
     currency: Currency::HUF,
     transactionId: 123456,
-    amount: 5000,
     orderRef: 'ORDER-PREAUTH-001',
-);
+    amount: 5000,        // the amount to capture
+    originalTotal: 5000, // the authorized amount
+));
 ```
 
 You can also capture a partial amount (less than the originally authorized total):
 
 ```php
 // Capture only a portion of the authorized amount
-$finish = SimplePay::payment()->finish(
+$finish = SimplePay::payment()->finish(new FinishRequest(
     currency: Currency::HUF,
     transactionId: 123456,
-    amount: 3000, // Less than the original 5000
     orderRef: 'ORDER-PREAUTH-001',
-);
+    amount: 3000, // Less than the original 5000
+    originalTotal: 5000,
+));
 ```
 
 ## Error Handling
diff --git a/examples/hu/lekerdezes-es-sztorno.md b/examples/hu/lekerdezes-es-sztorno.md
index 29bb011..ab023fd 100644
--- a/examples/hu/lekerdezes-es-sztorno.md
+++ b/examples/hu/lekerdezes-es-sztorno.md
@@ -94,12 +94,15 @@ $cancel = SimplePay::payment()->cancel(
 Ha a fizetést kétlépcsős módban indítottad (`twoStep: true`), a zárolt összeget a `finish()` metódussal terhelheted:
 
 ```php
-$finish = SimplePay::payment()->finish(
+use Netipar\SimplePay\Dto\FinishRequest;
+
+$finish = SimplePay::payment()->finish(new FinishRequest(
     currency: Currency::HUF,
     transactionId: 123456,
     orderRef: 'ORDER-PREAUTH-001',
-    amount: 15000,
-);
+    amount: 15000,        // a terhelendő összeg
+    originalTotal: 15000, // a zárolt összeg
+));
 ```
 
 A `finish()` meghívásakor az összeg lehet kisebb is, mint az eredetileg zárolt összeg (részleges terhelés).
@@ -107,12 +110,13 @@ A `finish()` meghívásakor az összeg lehet kisebb is, mint az eredetileg záro
 ```php
 // Eredetileg 15000 Ft zárolt
 // Csak 12000 Ft terhelése
-$finish = SimplePay::payment()->finish(
+$finish = SimplePay::payment()->finish(new FinishRequest(
     currency: Currency::HUF,
     transactionId: 123456,
     orderRef: 'ORDER-PREAUTH-001',
     amount: 12000,
-);
+    originalTotal: 15000,
+));
 ```
 
 ## Hibakezelés
diff --git a/resources/boost/skills/simplepay-development/SKILL.md b/resources/boost/skills/simplepay-development/SKILL.md
index 0a217ff..cb4c872 100644
--- a/resources/boost/skills/simplepay-development/SKILL.md
+++ b/resources/boost/skills/simplepay-development/SKILL.md
@@ -57,14 +57,16 @@ use Netipar\SimplePay\Facades\SimplePay;
 
 $request = new PaymentRequest(
     currency: Currency::HUF,
-    customerEmail: 'customer@example.com',
+    total: 6000,
     orderRef: 'ORDER-001',
+    customerEmail: 'customer@example.com',
+    language: 'HU',
+    url: route('simplepay.back'),
     items: [
         new Item(title: 'Product name', price: 1000, quantity: 1),
-        new Item(title: 'Service', price: 2500, quantity: 2, tax: '27'),
+        new Item(title: 'Service', price: 2500, quantity: 2, tax: 27),
     ],
     methods: [PaymentMethod::CARD],
-    url: route('payment.back'),
     invoice: new Address(
         name: 'Customer Kft.',
         country: 'HU',
@@ -78,7 +80,7 @@ $response = SimplePay::payment()->start($request);
 
 // $response->transactionId  (int)
 // $response->paymentUrl     (string) — redirect user here
-// $response->timeout        (string)
+// $response->timeout        (?string)
 
 return redirect($response->paymentUrl);
 ```
@@ -92,11 +94,13 @@ use Netipar\SimplePay\Dto\FinishRequest;
 // Step 1: authorize
 $request = new PaymentRequest(
     currency: Currency::HUF,
-    customerEmail: 'customer@example.com',
+    total: 5000,
     orderRef: 'ORDER-002',
+    customerEmail: 'customer@example.com',
+    language: 'HU',
+    url: route('simplepay.back'),
     items: [new Item(title: 'Product', price: 5000, quantity: 1)],
     methods: [PaymentMethod::CARD],
-    url: route('payment.back'),
     twoStep: true,
 );
 $response = SimplePay::payment()->start($request);
@@ -105,8 +109,9 @@ $response = SimplePay::payment()->start($request);
 $finish = new FinishRequest(
     currency: Currency::HUF,
     transactionId: $response->transactionId,
-    originalTotal: 5000,
-    approveTotal: 5000,
+    orderRef: 'ORDER-002',
+    amount: 5000,        // the amount to capture (sent as approveTotal)
+    originalTotal: 5000, // the authorized amount
 );
 $finishResponse = SimplePay::payment()->finish($finish);
 // $finishResponse->transactionId, $finishResponse->total
@@ -143,7 +148,7 @@ class HandleSuccessfulPayment
         $ipn->orderRef;       // string
         $ipn->transactionId;  // int
         $ipn->status;         // PaymentStatus enum
-        $ipn->paymentMethod;  // PaymentMethod enum
+        $ipn->paymentMethod;  // ?string, e.g. "CARD"
         $ipn->finishDate;     // ?string
     }
 }
@@ -197,7 +202,8 @@ use Netipar\SimplePay\Dto\RefundRequest;
 $request = new RefundRequest(
     currency: Currency::HUF,
     transactionId: 123456789,
-    refundTotal: 1000,
+    orderRef: 'ORDER-001',
+    amount: 1000, // sent as refundTotal
 );
 
 $response = SimplePay::payment()->refund($request);