diff --git a/app/src/main/java/com/example/citrusclient/viewmodels/TodosViewModel.java b/app/src/main/java/com/example/citrusclient/viewmodels/TodosViewModel.java
index 0d9935a..bfb88d3 100644
--- a/app/src/main/java/com/example/citrusclient/viewmodels/TodosViewModel.java
+++ b/app/src/main/java/com/example/citrusclient/viewmodels/TodosViewModel.java
@@ -23,9 +23,11 @@
 
     //LiveData
     private final MutableLiveData<HashMap<Integer, HashMap<Integer, HashMap<Integer, HashMap<Integer, Todo>>>>> allTodosLiveData;
-    private final MutableLiveData<HashMap<Integer, HashMap<Integer, Todo>>> TodosByMonthLiveData;
-    private final MutableLiveData<HashMap<Integer, Todo>> TodosByDayLiveData;
-    private final MutableLiveData<Todo> TodoByIdLiveData;
+    private final MutableLiveData<HashMap<Integer, HashMap<Integer, Todo>>> todosByMonthLiveData;
+    private final MutableLiveData<HashMap<Integer, Todo>> todosByDayLiveData;
+    private final MutableLiveData<Todo> todoLiveData;
+    private final MutableLiveData<Boolean> successSetCheckLiveData;
+    private final MutableLiveData<Boolean> successDeleteTodoLiveData;
     private final MutableLiveData<String> errorLiveData;
 
     //Constructor
@@ -37,9 +39,11 @@
                 .build();
         this.todosRest = retrofit.create(TodosRest.class);
         this.allTodosLiveData = new MutableLiveData<>();
-        this.TodosByMonthLiveData = new MutableLiveData<>();
-        this.TodosByDayLiveData = new MutableLiveData<>();
-        this.TodoByIdLiveData = new MutableLiveData<>();
+        this.todosByMonthLiveData = new MutableLiveData<>();
+        this.todosByDayLiveData = new MutableLiveData<>();
+        this.todoLiveData = new MutableLiveData<>();
+        this.successSetCheckLiveData = new MutableLiveData<>();
+        this.successDeleteTodoLiveData = new MutableLiveData<>();
         this.errorLiveData = new MutableLiveData<>();
     }
 
@@ -48,13 +52,16 @@
     {
         return allTodosLiveData;
     }
-    public MutableLiveData<HashMap<Integer, HashMap<Integer, Todo>>> getTodosByMonthLiveData() {return TodosByMonthLiveData;}
-    public MutableLiveData<HashMap<Integer, Todo>> getTodosByDayLiveData() {return TodosByDayLiveData;}
-    public MutableLiveData<Todo> getTodoByIdLiveData() {return TodoByIdLiveData;}
+    public MutableLiveData<HashMap<Integer, HashMap<Integer, Todo>>> getTodosByMonthLiveData() {return todosByMonthLiveData;}
+    public MutableLiveData<HashMap<Integer, Todo>> getTodosByDayLiveData() {return todosByDayLiveData;}
+    public MutableLiveData<Todo> getTodoLiveData() {return todoLiveData;}
+    public MutableLiveData<Boolean> getSuccessSetCheckLiveData() {return successSetCheckLiveData;}
+    public MutableLiveData<Boolean> getSuccessDeleteTodoLiveData() {return successDeleteTodoLiveData;}
     public MutableLiveData<String> getErrorLiveData() {return errorLiveData;}
 
 
-    public void getAllTodos(String accountId,Integer bookId, String token)
+
+    public void loadAllTodos(String accountId,Integer bookId, String token)
     {
         Call<HashMap<Integer, HashMap<Integer, HashMap<Integer, HashMap<Integer, Todo>>>>> call = todosRest.getAllTodos(accountId, bookId, token);
         call.enqueue(new Callback<HashMap<Integer, HashMap<Integer, HashMap<Integer, HashMap<Integer, Todo>>>>>() {
@@ -70,14 +77,14 @@
             }
             @Override
             public void onFailure(Call<HashMap<Integer, HashMap<Integer, HashMap<Integer, HashMap<Integer, Todo>>>>> call, Throwable t) {
-                System.out.println("CommunicationError: getAllTodos" + t);
+                System.out.println("NetworkError : getAllTodos" + t);
                 errorLiveData.setValue(parseStatusCode(-1));
             }
 
         });
     }
 
-    public void getTodosByMonth(String accountId,Integer bookId, Integer year, Integer month,
+    public void loadTodosByMonth(String accountId,Integer bookId, Integer year, Integer month,
                                 String token)
     {
         Call<HashMap<Integer, HashMap<Integer, Todo>>> call = todosRest.getTodosByMonth(accountId, bookId, year, month, token);
@@ -86,21 +93,21 @@
             public void onResponse(Call<HashMap<Integer, HashMap<Integer, Todo>>> call, Response<HashMap<Integer, HashMap<Integer, Todo>>> response) {
                 if (response.isSuccessful()) {
                     System.out.println("Success: getTodosByMonth");
-                    TodosByMonthLiveData.setValue(response.body());
+                    todosByMonthLiveData.setValue(response.body());
                 } else {
                     System.out.println("Error: getTodosByMonth" + response.code());
                 }
             }
             @Override
             public void onFailure(Call<HashMap<Integer, HashMap<Integer, Todo>>> call, Throwable t) {
-                System.out.println("CommunicationError: getTodosByMonth" + t);
+                System.out.println("NetworkError : getTodosByMonth" + t);
                 errorLiveData.setValue(parseStatusCode(-1));
             }
 
         });
     }
 
-    public void getTodosByDay(String accountId,Integer bookId, Integer year, Integer month,
+    public void loadTodosByDay(String accountId,Integer bookId, Integer year, Integer month,
                               Integer day, String token)
     {
         Call<HashMap<Integer, Todo>> call = todosRest.getTodosByDay(accountId, bookId, year, month, day, token);
@@ -109,21 +116,21 @@
             public void onResponse(Call<HashMap<Integer, Todo>> call, Response<HashMap<Integer, Todo>> response) {
                 if (response.isSuccessful()) {
                     System.out.println("Success: getTodosByDay");
-                    TodosByDayLiveData.setValue(response.body());
+                    todosByDayLiveData.setValue(response.body());
                 } else {
                     System.out.println("Error: getTodosByDay" + response.code());
                 }
             }
             @Override
             public void onFailure(Call<HashMap<Integer, Todo>> call, Throwable t) {
-                System.out.println("CommunicationError: getTodosByDay" + t);
+                System.out.println("NetworkError : getTodosByDay" + t);
                 errorLiveData.setValue(parseStatusCode(-1));
             }
 
         });
     }
 
-    public void getTodoById(String accountId,Integer bookId, Integer year, Integer month,
+    public void loadTodoById(String accountId,Integer bookId, Integer year, Integer month,
                               Integer day, Integer todoId, String token)
     {
         Call<Todo> call = todosRest.getTodoById(accountId, bookId, year, month, day, todoId, token);
@@ -132,14 +139,14 @@
             public void onResponse(Call<Todo> call, Response<Todo> response) {
                 if (response.isSuccessful()) {
                     System.out.println("Success: getTodoById");
-                    TodoByIdLiveData.setValue(response.body());
+                    todoLiveData.setValue(response.body());
                 } else {
                     System.out.println("Error: getTodoById" + response.code());
                 }
             }
             @Override
             public void onFailure(Call<Todo> call, Throwable t) {
-                System.out.println("CommunicationError: getTodoById" + t);
+                System.out.println("NetworkError : getTodoById" + t);
                 errorLiveData.setValue(parseStatusCode(-1));
             }
 
@@ -155,14 +162,13 @@
             public void onResponse(Call<Todo> call, Response<Todo> response) {
                 if (response.isSuccessful()) {
                     System.out.println("Success: createTodo");
-                    TodoByIdLiveData.setValue(response.body());
                 } else {
                     System.out.println("Error: createTodo" + response.code());
                 }
             }
             @Override
             public void onFailure(Call<Todo> call, Throwable t) {
-                System.out.println("CommunicationError: createTodo" + t);
+                System.out.println("NetworkError : createTodo" + t);
                 errorLiveData.setValue(parseStatusCode(-1));
             }
 
@@ -178,14 +184,14 @@
             public void onResponse(Call<Void> call, Response<Void> response) {
                 if (response.isSuccessful()) {
                     System.out.println("Success: setCheck");
-
+                    successSetCheckLiveData.setValue(true);
                 } else {
                     System.out.println("Error: setCheck" + response.code());
                 }
             }
             @Override
             public void onFailure(Call<Void> call, Throwable t) {
-                System.out.println("CommunicationError: setCheck" + t);
+                System.out.println("NetworkError : setCheck" + t);
                 errorLiveData.setValue(parseStatusCode(-1));
             }
         });
@@ -200,14 +206,14 @@
             public void onResponse(Call<Void> call, Response<Void> response) {
                 if (response.isSuccessful()) {
                     System.out.println("Success: deleteTodo");
-
+                    successDeleteTodoLiveData.setValue(true);
                 } else {
                     System.out.println("Error: deleteTodo" + response.code());
                 }
             }
             @Override
             public void onFailure(Call<Void> call, Throwable t) {
-                System.out.println("CommunicationError: deleteTodo" + t);
+                System.out.println("NetworkError : deleteTodo" + t);
                 errorLiveData.setValue(parseStatusCode(-1));
             }
         });