diff --git a/src/core/marketplace.h b/src/core/marketplace.h
index 139579f..c37ba59 100644
--- a/src/core/marketplace.h
+++ b/src/core/marketplace.h
@@ -11,6 +11,7 @@ namespace
 {
 using SellersVec = std::vector<std::unique_ptr<Seller>>;
 using SalesVec = std::vector<std::unique_ptr<Sale>>;
+using BasketVec = std::vector<std::unique_ptr<Sale>>;
 } // namespace
 
 struct Basket {
@@ -31,6 +32,7 @@ class Marketplace
   private:
     SellersVec sellers_;
     SalesVec sales_;
+    BasketVec basket_;
 };
 
 #endif
\ No newline at end of file
diff --git a/src/gui/mainwindow.cpp b/src/gui/mainwindow.cpp
index 4146441..ded172e 100644
--- a/src/gui/mainwindow.cpp
+++ b/src/gui/mainwindow.cpp
@@ -58,8 +58,9 @@ void MainWindow::on_sellerNoEdit_checkSellerNo()
     auto seller = marketplace_->findSellerWithSellerNo(sellerNo);
     if (seller) {
         std::cout << "!!! Seller gefunden: " << seller->getFirstName() << "\n";
+        // TODO: Dialog für Preiseingabe anzeigen
         // TODO: Warenkorb füllen
     }
-    
+
     ui_.sellerNoEdit->clear();
 }
\ No newline at end of file