userID 부분 추가

src/main/java/com/example/template/OrderPlaced.java

@@ -13,6 +13,7 @@ public class OrderPlaced extends AbstractEvent{
     private String productName;
     private int quantity;
     private int price;
+    private String customerId;
     private String customerName;
     private String customerAddr;
 
@@ -70,6 +71,14 @@ public class OrderPlaced extends AbstractEvent{
         this.price = price;
     }
 
+    public String getCustomerId() {
+        return customerId;
+    }
+
+    public void setCustomerId(String customerId) {
+        this.customerId = customerId;
+    }
+
     public String getCustomerName() {
         return customerName;
     }