diff --git a/UP01Task2App/UP01Task2App/Models/Trainer.cs b/UP01Task2App/UP01Task2App/Models/Trainer.cs
index a3fa35b..4f564a6 100644
--- a/UP01Task2App/UP01Task2App/Models/Trainer.cs
+++ b/UP01Task2App/UP01Task2App/Models/Trainer.cs
@@ -10,5 +10,13 @@ namespace UP01Task2App.Models
         public string Name { get; set; }
         public string Patronymic { get; set; }
         public string Speciality { get; set; }
+
+        public string ShortName
+        {
+            get
+            {
+                return $"{Surmname} {Name[0]}.{Patronymic[0]}.";
+            }
+        }
     }
 }
diff --git a/UP01Task2App/UP01Task2App/Services/JsonService.cs b/UP01Task2App/UP01Task2App/Services/JsonService.cs
index f426a7e..7e49c9f 100644
--- a/UP01Task2App/UP01Task2App/Services/JsonService.cs
+++ b/UP01Task2App/UP01Task2App/Services/JsonService.cs
@@ -67,5 +67,44 @@ namespace UP01Task2App.Services
         public void SaveTrainerDataToJson(List<Trainer> trainersList) => SaveToJson(trainerPath, trainersList);
         public void SaveClientDataToJson(List<Client> clientsList) => SaveToJson(clientPath, clientsList);
         public void SaveRecordDataToJson(List<Record> recordsList) => SaveToJson(recordPath, recordsList);
+
+#if DEBUG
+        private void CreateTrainersJson()
+        {
+            Encoding.RegisterProvider(CodePagesEncodingProvider.Instance);
+
+            string text = File.ReadAllText("asd.txt", Encoding.GetEncoding(1251));
+
+            List<Trainer> trList = new();
+
+            foreach (var line in text.Split(Environment.NewLine, StringSplitOptions.RemoveEmptyEntries))
+            {
+                var parts = line.Split(' ', StringSplitOptions.RemoveEmptyEntries);
+
+                trList.Add(new Trainer
+                {
+                    Surmname = parts[0],
+                    Name = parts[1],
+                    Patronymic = parts[2],
+                    Speciality = string.Join(" ", parts.Skip(3))
+                });
+            }
+
+            var options = new JsonSerializerOptions
+            {
+                WriteIndented = true
+            };
+
+            string json = JsonSerializer.Serialize(trList, options);
+
+            MessageBox.Show(json);
+
+            string path = "data/trainers.json";
+
+            Directory.CreateDirectory(System.IO.Path.GetDirectoryName(path)!);
+
+            File.WriteAllText(path, json, Encoding.UTF8);
+        }
+#endif
     }
 }
diff --git a/UP01Task2App/UP01Task2App/Services/ValidationHelper.cs b/UP01Task2App/UP01Task2App/Services/ValidationHelper.cs
index a727289..26d3949 100644
--- a/UP01Task2App/UP01Task2App/Services/ValidationHelper.cs
+++ b/UP01Task2App/UP01Task2App/Services/ValidationHelper.cs
@@ -56,5 +56,10 @@ namespace UP01Task2App.Services
             if (!Regex.IsMatch(obj.Text.Trim(), pattern))
                 throw new ArgumentException($"Номер телефона в поле \"{fieldName}\" имеет неверный формат \nВерный формат: +79999999999 или 79999999999");
         }
+        public static void ValidateNotNullComboBox(ComboBox obj, string fieldName)
+        {
+            if (obj.SelectedValue == null)
+                throw new ArgumentException($"Выберите значение в поле \"{fieldName}\"");
+        }
     }
 }
\ No newline at end of file
diff --git a/UP01Task2App/UP01Task2App/Windows/AppointmentWindow.xaml b/UP01Task2App/UP01Task2App/Windows/AppointmentWindow.xaml
index ffd3a19..1b7558c 100644
--- a/UP01Task2App/UP01Task2App/Windows/AppointmentWindow.xaml
+++ b/UP01Task2App/UP01Task2App/Windows/AppointmentWindow.xaml
@@ -13,13 +13,14 @@
         <TextBlock Text="{Binding SelectedClient.LastName}" Margin="0,0,0,10" FontSize="16"/>
 
         <TextBlock Text="Тренировка"/>
-        <ComboBox ItemsSource="{Binding Specializations}"
-                  SelectedItem="{Binding SelectedSpecialization}" 
-                  Style="{StaticResource ComboBoxStyle}"/>
+        <ComboBox Name="TrainingTextBox"
+                  ItemsSource="{Binding TrainersSpeciality}"
+                  Style="{StaticResource ComboBoxStyle}" SelectionChanged="TrainingTextBox_SelectionChanged"/>
 
         <TextBlock Text="Тренер"/>
-        <ComboBox ItemsSource="{Binding Trainers}"
-                  SelectedItem="{Binding SelectedTrainer}" 
+        <ComboBox Name="TrainerTextBox" 
+                  DisplayMemberPath = "ShortName"
+                  ItemsSource="{Binding Trainers}"
                   Style="{StaticResource ComboBoxStyle}"/>
 
         <TextBlock Text="Дата"/>
@@ -27,10 +28,9 @@
                     Style="{StaticResource DatePickerStyle}"/>
 
         <Button Content="Записать"
-                Command="{Binding SaveAppointmentCommand}"
                 Margin="0,30,0,0"
                 Width="200"
-                Style="{StaticResource ButtonStyle}"/>
+                Style="{StaticResource ButtonStyle}" Click="Button_Click"/>
 
     </StackPanel>
 </Window>
diff --git a/UP01Task2App/UP01Task2App/Windows/AppointmentWindow.xaml.cs b/UP01Task2App/UP01Task2App/Windows/AppointmentWindow.xaml.cs
index eb50775..6947cd1 100644
--- a/UP01Task2App/UP01Task2App/Windows/AppointmentWindow.xaml.cs
+++ b/UP01Task2App/UP01Task2App/Windows/AppointmentWindow.xaml.cs
@@ -1,5 +1,7 @@
 using System;
 using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Security.Policy;
 using System.Text;
 using System.Windows;
 using System.Windows.Controls;
@@ -9,6 +11,8 @@ using System.Windows.Input;
 using System.Windows.Media;
 using System.Windows.Media.Imaging;
 using System.Windows.Shapes;
+using UP01Task2App.Models;
+using UP01Task2App.Services;
 
 namespace UP01Task2App.Windows
 {
@@ -17,9 +21,62 @@ namespace UP01Task2App.Windows
     /// </summary>
     public partial class AppointmentWindow : Window
     {
-        public AppointmentWindow()
+        private List<Trainer> TrainersList { get; set; }
+        public List<string> TrainersSpecialities { get; set; }
+        public Record OutputRecord { get; private set; }
+        public ObservableCollection<Trainer> Trainers { get; set; } = new ObservableCollection<Trainer>();
+        public ObservableCollection<string> TrainersSpeciality { get; set; } = new ObservableCollection<string>();
+
+        public AppointmentWindow(List<Trainer> _trainersList, Client client)
         {
+            TrainersList = _trainersList;
+
+            foreach (var item in TrainersList)
+            {
+                Trainers.Add(item);
+            }
+
+            TrainersSpecialities = TrainersList
+                .Select(t => t.Speciality)   
+                .Distinct()                 
+                .ToList();
+
+            foreach (var item in TrainersSpecialities)
+            {
+                TrainersSpeciality.Add(item);
+                MessageBox.Show(item.ToString());
+            }
+
             InitializeComponent();
+
+            this.DataContext = this;
+        }
+
+        private void Button_Click(object sender, RoutedEventArgs e)
+        {
+            ValidationHelper.ValidateNotNullComboBox(TrainingTextBox, "Тренировка");
+            ValidationHelper.ValidateNotNullComboBox(TrainerTextBox, "Тренировка");
+
+            
+        }
+
+        private void TrainingTextBox_SelectionChanged(object sender, SelectionChangedEventArgs e)
+        {
+            if (TrainingTextBox.SelectedIndex != -1)
+            {
+                string? selectedSpeciality = TrainingTextBox.SelectedItem.ToString();
+
+                var filtered = TrainersList
+                    .Where(t => t.Speciality == selectedSpeciality)
+                    .ToList();
+
+                Trainers.Clear();
+
+                foreach (var trainer in filtered)
+                {
+                    Trainers.Add(trainer);
+                }
+            }
         }
     }
 }
diff --git a/UP01Task2App/UP01Task2App/Windows/ClientWindow.xaml b/UP01Task2App/UP01Task2App/Windows/ClientWindow.xaml
index 6cdf076..4b3cc67 100644
--- a/UP01Task2App/UP01Task2App/Windows/ClientWindow.xaml
+++ b/UP01Task2App/UP01Task2App/Windows/ClientWindow.xaml
@@ -67,11 +67,11 @@
                 <StackPanel>
                     <Button Content="Запись клиента"
                         Style="{StaticResource ButtonStyle}"
-                        Margin="10"/>
+                        Margin="10" Click="Button_Click_2"/>
 
                     <Button Content="Просмотреть записи"
                         Style="{StaticResource ButtonStyle}"
-                        Margin="10"/>
+                        Margin="10" Click="Button_Click_3"/>
                 </StackPanel>
             </StackPanel>
         </StackPanel>
diff --git a/UP01Task2App/UP01Task2App/Windows/ClientWindow.xaml.cs b/UP01Task2App/UP01Task2App/Windows/ClientWindow.xaml.cs
index ee62107..b8e04ee 100644
--- a/UP01Task2App/UP01Task2App/Windows/ClientWindow.xaml.cs
+++ b/UP01Task2App/UP01Task2App/Windows/ClientWindow.xaml.cs
@@ -171,5 +171,23 @@ namespace UP01Task2App.Windows
                 return;
             }
         }
+
+        private void Button_Click_2(object sender, RoutedEventArgs e)
+        {
+            AppointmentWindow wnd = new(TrainersList, new Client { Name = "Лох"}); //Временное добавление клиента
+            bool? res = wnd.ShowDialog();
+            
+            if (res == true)
+            {
+                RecordsList.Add(new Record()); //Временная заглушка, добавить результат из Dialog
+
+                Json.SaveRecordDataToJson(RecordsList);
+            }
+        }
+
+        private void Button_Click_3(object sender, RoutedEventArgs e)
+        {
+            //Json.CreateTrainersJson();
+        }
     }
 }