diff --git a/bin/layers/test_panel/test_panel.cpp b/bin/layers/test_panel/test_panel.cpp
index 364ce48..70329c8 100755
--- a/bin/layers/test_panel/test_panel.cpp
+++ b/bin/layers/test_panel/test_panel.cpp
@@ -22,7 +22,7 @@ namespace sandbox
 
     if (ImGui::Button("RUN", ImVec2(28, 30))) 
     {
-      VE::event e { test_event::TEST_EVEN , std::string("test event message") };
+      VE::event e { "target_id", test_event::TEST_EVEN , std::string("test event message") };
       execute(e);
     }
 
diff --git a/bin/layers/test_panel_2/test_panel_2.cpp b/bin/layers/test_panel_2/test_panel_2.cpp
index a33cf97..31efa0d 100755
--- a/bin/layers/test_panel_2/test_panel_2.cpp
+++ b/bin/layers/test_panel_2/test_panel_2.cpp
@@ -24,7 +24,7 @@ namespace sandbox
     if (!ImGui::Begin("#test_panel_2", &m_p_open, m_window_flags)) ImGui::End();
     if (ImGui::Button("RUN", ImVec2(28, 30))) 
     {
-      VE::event e { test_event::TEST_EVEN , std::string("test event message") };
+      VE::event e { "target_id", test_event::TEST_EVEN , std::string("test event message") };
       execute(e);
     }
 
@@ -32,7 +32,7 @@ namespace sandbox
 
     if (ImGui::Button(VE::style::icon::ICON_STOP, ImVec2(28, 30))) 
     {
-      VE::event e { test_event::TEST_EVEN , std::string("test icon button") };
+      VE::event e { "target_id", test_event::TEST_EVEN , std::string("test icon button") };
       execute(e);
     }
 
diff --git a/bin/main.cpp b/bin/main.cpp
index 83c5b20..f76ac75 100755
--- a/bin/main.cpp
+++ b/bin/main.cpp
@@ -23,15 +23,15 @@ namespace VE
 {
   inline application& create()
   {
-    static sandbox::test_app e{ "vertex_engine_sandbox" };
+    static sandbox::test_app app{ "vertex_engine_sandbox" };
 
-    e.push_layer(
+    app.push_layer(
       new sandbox::test_panel{},
       new sandbox::test_panel_2{},
       new sandbox::opengl_panel{}
     );
 
-    return e;
+    return app;
   }
 }
 
diff --git a/src/application/application.cpp b/src/application/application.cpp
index 2831cf4..519541e 100755
--- a/src/application/application.cpp
+++ b/src/application/application.cpp
@@ -48,7 +48,7 @@ namespace VE
     for (const auto l : m_layers_stack) l->set_event_fn(VE_EVENT_FN);
   }
 
-  void application::on_event(event& e)
+  void application::on_event(event e)
   {
     if (e.is_parallele) 
       for (auto l : m_layers_stack) auto future = std::async(std::launch::async, [&]() { l->on_event(e); });
diff --git a/src/application/application.hpp b/src/application/application.hpp
index d6ed44b..6c13045 100755
--- a/src/application/application.hpp
+++ b/src/application/application.hpp
@@ -36,7 +36,7 @@ namespace VE
       void clear();
       void attach_layers();
       void set_event_fn();
-      void on_event(event& e);
+      void on_event(event e);
   };
 
   // реализация см. в проекте
diff --git a/src/event/event.hpp b/src/event/event.hpp
index b4a3a28..ce6b46f 100755
--- a/src/event/event.hpp
+++ b/src/event/event.hpp
@@ -22,12 +22,21 @@ namespace VE
     WINDOW_FOCUS,
   };
 
+  enum class event_target
+  {
+    VE
+  };
+
   struct event
   {
-    event(std::any t, std::any d) : m_type{ t }, m_data{ d } {}
+    event(std::any target, std::any type, std::any data) : m_target { target }, m_type{ type }, m_data{ data } {}
     ~event() = default;
+
+    std::any m_target;
     std::any m_type;
     std::any m_data;
+    // HERE
+    // как-то не прикольно так !!!
     bool is_parallele{ false };
   };
 }
diff --git a/src/glfw/glfw.cpp b/src/glfw/glfw.cpp
index 09a82a2..9532c97 100755
--- a/src/glfw/glfw.cpp
+++ b/src/glfw/glfw.cpp
@@ -121,7 +121,7 @@ namespace VE
     glfwSetKeyCallback(m_win, [](GLFWwindow* w, int key, int scancode, int action, int mods)
     {
       auto d = static_cast<win_data*>(glfwGetWindowUserPointer(w));
-      event e{ action, key };
+      event e{ event_target::VE, action, key };
 
       // HERE
       // тут одноврекменно срабатывает только один сигнал
@@ -157,7 +157,7 @@ namespace VE
 		glfwSetMouseButtonCallback(m_win, [](GLFWwindow* w, int button, int action, int mods)
 		{
       auto d = static_cast<win_data*>(glfwGetWindowUserPointer(w));
-      event e{ action, button };
+      event e{ event_target::VE, action, button };
 
 			switch (action)
 			{
@@ -188,14 +188,14 @@ namespace VE
 		glfwSetScrollCallback(m_win, [](GLFWwindow* w, double xOffset, double yOffset)
 		{
       auto d = static_cast<win_data*>(glfwGetWindowUserPointer(w));
-      event e{ event_type::MOUSE_SCROLL, std::pair<float, float>{ static_cast<float>(xOffset), static_cast<float>(yOffset) } };
+      event e{ event_target::VE, event_type::MOUSE_SCROLL, std::pair<float, float>{ static_cast<float>(xOffset), static_cast<float>(yOffset) } };
       d->execute(e);
 		});
 
 		glfwSetCursorPosCallback(m_win, [](GLFWwindow* w, double xPos, double yPos)
 		{
       auto d = static_cast<win_data*>(glfwGetWindowUserPointer(w));
-      event e{ event_type::MOUSE_CURSOR_POSITION, std::pair<float, float>{ static_cast<float>(xPos), static_cast<float>(yPos) } };
+      event e{ event_target::VE, event_type::MOUSE_CURSOR_POSITION, std::pair<float, float>{ static_cast<float>(xPos), static_cast<float>(yPos) } };
       d->execute(e);
 		});
   }
@@ -210,21 +210,21 @@ namespace VE
       d->m_width = width;
       d->m_height = height;
 
-      event e{ event_type::WINDOW_RESIZE, std::pair<float, float>{ static_cast<float>(width), static_cast<float>(height) } };
+      event e{ event_target::VE, event_type::WINDOW_RESIZE, std::pair<float, float>{ static_cast<float>(width), static_cast<float>(height) } };
       d->execute(e);
     });
 
     glfwSetWindowCloseCallback(m_win, [](GLFWwindow* w)
     {
       auto d = static_cast<win_data*>(glfwGetWindowUserPointer(w));
-      event e{ event_type::WINDOW_CLOSE, nullptr };
+      event e{ event_target::VE, event_type::WINDOW_CLOSE, nullptr };
       d->execute(e);
     });
 
     glfwSetWindowFocusCallback(m_win, [](GLFWwindow* w, int focused)
     {
       auto d = static_cast<win_data*>(glfwGetWindowUserPointer(w));
-      event e{ event_type::WINDOW_FOCUS, focused };
+      event e{ event_target::VE, event_type::WINDOW_FOCUS, focused };
       d->execute(e);
     });
 
diff --git a/src/glfw/glfw.hpp b/src/glfw/glfw.hpp
index e86591c..c2ebd96 100755
--- a/src/glfw/glfw.hpp
+++ b/src/glfw/glfw.hpp
@@ -40,7 +40,7 @@ namespace VE
       void update();
       void clear() const;
 
-      void set_event_fn(const event_fn<event&>& fn);
+      void set_event_fn(const event_fn<event>& fn);
 
       private:
         void set_hint();
diff --git a/src/gui/gui.cpp b/src/gui/gui.cpp
index 0b03c78..bbd54fb 100755
--- a/src/gui/gui.cpp
+++ b/src/gui/gui.cpp
@@ -43,8 +43,8 @@ namespace VE
 
 	void gui::end_frame()
 	{
-		ImGuiIO& io = ImGui::GetIO();
-		io.DisplaySize = ImVec2((float)m_glfw->width(), (float)m_glfw->height());
+		// ImGuiIO& io = ImGui::GetIO();
+		// io.DisplaySize = ImVec2((float)m_glfw->width(), (float)m_glfw->height());
 
 		ImGui::Render();
 		ImGui_ImplOpenGL3_RenderDrawData(ImGui::GetDrawData());
diff --git a/src/layer/layer.hpp b/src/layer/layer.hpp
index 6b166e1..a7585d6 100755
--- a/src/layer/layer.hpp
+++ b/src/layer/layer.hpp
@@ -22,10 +22,10 @@ namespace VE
       virtual void render() {};
       virtual void on_event(event e) {};
 
-      void set_event_fn(const event_fn<event&>& fn) { execute = fn; };
+      void set_event_fn(const event_fn<event>& fn) { execute = fn; };
 
     protected:
-      event_fn<event&> execute;
+      event_fn<event> execute;
   };
 }
 
diff --git a/src/utils/using.hpp b/src/utils/using.hpp
index f8be6a8..ed01663 100644
--- a/src/utils/using.hpp
+++ b/src/utils/using.hpp
@@ -5,7 +5,7 @@
 namespace VE
 {
   template<typename Event>
-  using event_fn = std::function<void(Event&)>;
+  using event_fn = std::function<void(Event)>;
 
   template<typename Layer>
   using layers_stack = std::vector<Layer*>;