diff --git a/ozon/products.proto b/ozon/products.proto
index 10b7d74..4fef4bb 100644
--- a/ozon/products.proto
+++ b/ozon/products.proto
@@ -10,7 +10,7 @@ service ProductsService {
 }
 
 message GetListOfProductsRequest{
-
+  int64 marketplace_id = 1; // Unique identifier for the marketplace
 }
 message GetListOfProductsResponse {
   repeated Product products = 1;