diff --git a/app/src/main/java/ru/project/MyListCollector.java b/app/src/main/java/ru/project/MyListCollector.java
index c976681..f731379 100644
--- a/app/src/main/java/ru/project/MyListCollector.java
+++ b/app/src/main/java/ru/project/MyListCollector.java
@@ -32,4 +32,10 @@ public class MyListCollector <T> implements Collector<T, MyList<T>, MyList<T>>
     {
         return list -> list;
     }
+    @Override
+    public Set<Collector.Characteristics> characteristics() {
+        return java.util.Set.of(
+                Collector.Characteristics.IDENTITY_FINISH
+        );
+    }
 }
\ No newline at end of file