diff --git a/change_notifier_provider/lib/home/todo_list_view.dart b/change_notifier_provider/lib/home/todo_list_view.dart
index ef34d820..c0f16e5a 100644
--- a/change_notifier_provider/lib/home/todo_list_view.dart
+++ b/change_notifier_provider/lib/home/todo_list_view.dart
@@ -22,47 +22,66 @@ class TodoListView extends StatelessWidget {
           itemBuilder: (context, index) {
             final todo = todos[index];
 
-            return Dismissible(
-              key: ArchSampleKeys.todoItem(todo.id),
-              onDismissed: (_) => onRemove(context, todo),
-              child: ListTile(
-                onTap: () {
-                  Navigator.push(
-                    context,
-                    MaterialPageRoute(
-                      builder: (_) {
-                        return DetailsScreen(
-                          id: todo?.id,
-                          onRemove: () {
-                            Navigator.pop(context);
-                            onRemove(context, todo);
+            return Column(
+              mainAxisSize: MainAxisSize.min,
+              children: [
+                Dismissible(
+                  key: ArchSampleKeys.todoItem(todo.id),
+                  onDismissed: (_) => onRemove(context, todo),
+                  child: ListTile(
+                    onTap: () {
+                      Navigator.push(
+                        context,
+                        MaterialPageRoute(
+                          builder: (_) {
+                            return DetailsScreen(
+                              id: todo?.id,
+                              onRemove: () {
+                                Navigator.pop(context);
+                                onRemove(context, todo);
+                              },
+                            );
                           },
-                        );
+                        ),
+                      );
+                    },
+                    leading: Checkbox(
+                      key: ArchSampleKeys.todoItemCheckbox(todo.id),
+                      value: todo.complete,
+                      onChanged: (complete) {
+                        Provider.of<TodoListModel>(context, listen: false)
+                            .updateTodo(todo.copy(complete: complete));
                       },
                     ),
-                  );
-                },
-                leading: Checkbox(
-                  key: ArchSampleKeys.todoItemCheckbox(todo.id),
-                  value: todo.complete,
-                  onChanged: (complete) {
-                    Provider.of<TodoListModel>(context, listen: false)
-                        .updateTodo(todo.copy(complete: complete));
-                  },
-                ),
-                title: Text(
-                  todo.task,
-                  key: ArchSampleKeys.todoItemTask(todo.id),
-                  style: Theme.of(context).textTheme.title,
-                ),
-                subtitle: Text(
-                  todo.note,
-                  key: ArchSampleKeys.todoItemNote(todo.id),
-                  maxLines: 1,
-                  overflow: TextOverflow.ellipsis,
-                  style: Theme.of(context).textTheme.subhead,
+                    title: Text(
+                      todo.task,
+                      key: ArchSampleKeys.todoItemTask(todo.id),
+                      style: Theme.of(context).textTheme.title,
+                    ),
+                    subtitle: Text(
+                      todo.note,
+                      key: ArchSampleKeys.todoItemNote(todo.id),
+                      maxLines: 1,
+                      overflow: TextOverflow.ellipsis,
+                      style: Theme.of(context).textTheme.subhead,
+                    ),
+                  ),
                 ),
-              ),
+                for(final person in todo.assignInfo.person)
+                  ListTile(
+                    title: Text('Person $person'),
+                    trailing: IconButton(
+                      icon: Icon(Icons.delete_forever),
+                      onPressed: () {
+                        Provider.of<TodoListModel>(context, listen: false)
+                            .updateTodo(todo.copy(assignInfo: todo.assignInfo.copy(person: todo.assignInfo.person..remove(person))));
+  /// CORRECT WAY
+//                        Provider.of<TodoListModel>(context, listen: false)
+//                            .updateTodo(todo.copy(assignInfo: todo.assignInfo.copy(person: List.of(todo.assignInfo.person)..remove(person))));
+                      },
+                    ),
+                  )
+              ],
             );
           },
         );
diff --git a/change_notifier_provider/lib/models.dart b/change_notifier_provider/lib/models.dart
index 699321cb..9b10b755 100644
--- a/change_notifier_provider/lib/models.dart
+++ b/change_notifier_provider/lib/models.dart
@@ -14,13 +14,15 @@ class Todo {
   final String id;
   final String note;
   final String task;
+  final AssignInfo assignInfo;
 
-  Todo(this.task, {this.complete = false, this.note = '', String id})
-      : id = id ?? Uuid().generateV4();
+  Todo(this.task, {this.complete = false, this.note = '', String id, AssignInfo assignInfo})
+      : id = id ?? Uuid().generateV4(),
+        assignInfo = assignInfo ?? AssignInfo(Person.values);
 
   @override
   int get hashCode =>
-      complete.hashCode ^ task.hashCode ^ note.hashCode ^ id.hashCode;
+      complete.hashCode ^ task.hashCode ^ note.hashCode ^ assignInfo.hashCode ^ id.hashCode;
 
   @override
   bool operator ==(Object other) =>
@@ -28,13 +30,14 @@ class Todo {
       other is Todo &&
           runtimeType == other.runtimeType &&
           complete == other.complete &&
+          assignInfo == other.assignInfo &&
           task == other.task &&
           note == other.note &&
           id == other.id;
 
   @override
   String toString() {
-    return 'Todo{complete: $complete, task: $task, note: $note, id: $id}';
+    return 'Todo{complete: $complete, task: $task, note: $note, assignInfo: $assignInfo, id: $id}';
   }
 
   TodoEntity toEntity() {
@@ -50,12 +53,28 @@ class Todo {
     );
   }
 
-  Todo copy({String task, bool complete, String note, String id}) {
+  Todo copy({String task, bool complete, String note, String id, AssignInfo assignInfo}) {
     return Todo(
       task ?? this.task,
       complete: complete ?? this.complete,
       note: note ?? this.note,
+      assignInfo: assignInfo?.copy() ?? this.assignInfo?.copy(),
       id: id ?? this.id,
     );
   }
 }
+
+class AssignInfo {
+  final List<Person> person;
+
+  AssignInfo(this.person);
+
+  AssignInfo copy({List<Person> person}) {
+    final newPerson = person ?? this.person;
+    return AssignInfo(newPerson != null ? List.of(newPerson) : null);
+  }
+}
+
+enum Person {
+  sasha, masha, dasha
+}