diff --git a/src/UI/UI_item.cpp b/src/UI/UI_item.cpp
index a733887..1d15401 100644
--- a/src/UI/UI_item.cpp
+++ b/src/UI/UI_item.cpp
@@ -168,3 +168,8 @@ void UI_item::can_send(uint32_t id, uint8_t dlc, std::array<uint8_t, 8> payload)
     UNUSED(dlc);
     UNUSED(payload);
 };
+
+void UI_item::can_clear()
+{
+
+}
diff --git a/src/UI/UI_item.hpp b/src/UI/UI_item.hpp
index b9a479a..000f163 100644
--- a/src/UI/UI_item.hpp
+++ b/src/UI/UI_item.hpp
@@ -51,6 +51,7 @@ class UI_item : public QObject
     virtual void set_selected(std::string selected);
     virtual void set_value(double value);
     virtual void can_send(uint32_t id, uint8_t dlc, std::array<uint8_t, 8> payload);
+    virtual void can_clear();
 
   signals:
     void value_changed();
diff --git a/src/UI/custom/UI_can.cpp b/src/UI/custom/UI_can.cpp
index 65c4b69..bc7913a 100644
--- a/src/UI/custom/UI_can.cpp
+++ b/src/UI/custom/UI_can.cpp
@@ -24,13 +24,13 @@ UI_can::UI_can(const json &j, QObject *parent) : UI_item(UI_CAN_TYPE, parent)
     from_json(j);
 }
 
-void UI_can::add_send_message(QCanBusFrame& msg)
+void UI_can::add_send_message(QCanBusFrame msg)
 {
     m_can_send_messages.push_back(msg);
     emit value_changed();
 }
 
-void UI_can::add_received_message(QCanBusFrame& msg)
+void UI_can::add_received_message(QCanBusFrame msg)
 {
     m_can_received_messages.push_back(msg);
     emit value_changed();
@@ -48,6 +48,12 @@ void UI_can::clear_receive_buffer()
     emit value_changed();
 }
 
+void UI_can::can_clear()
+{
+    clear_send_buffer();
+    clear_receive_buffer();
+}
+
 void UI_can::from_json(const json &j)
 {
     UI_item::from_json(j);
diff --git a/src/UI/custom/UI_can.hpp b/src/UI/custom/UI_can.hpp
index 94cbeca..3593c6b 100644
--- a/src/UI/custom/UI_can.hpp
+++ b/src/UI/custom/UI_can.hpp
@@ -12,8 +12,8 @@ class UI_can : public UI_item
     UI_can(Color fg_color, Color bg_color, QObject *parent = nullptr);
     UI_can(const json &j, QObject *parent = nullptr);
 
-    void add_send_message(QCanBusFrame& msg);
-    void add_received_message(QCanBusFrame& msg);
+    void add_send_message(QCanBusFrame msg);
+    void add_received_message(QCanBusFrame msg);
     void clear_send_buffer();
     void clear_receive_buffer();
 
@@ -21,6 +21,7 @@ class UI_can : public UI_item
     json to_json(size_t id) const override;
 
     void can_send(uint32_t id, uint8_t dlc, std::array<uint8_t, 8> payload) override;
+    void can_clear() override;
   signals:
     void on_send(QCanBusFrame msg);
   private:
diff --git a/tools/CAN/CAN_interface.cpp b/tools/CAN/CAN_interface.cpp
index 355bbe3..7cd6916 100644
--- a/tools/CAN/CAN_interface.cpp
+++ b/tools/CAN/CAN_interface.cpp
@@ -36,7 +36,7 @@ CAN_Interface::~CAN_Interface()
     delete m_canDevice;
 }
 
-void CAN_Interface::send_frame(const QCanBusFrame &frame)
+void CAN_Interface::send_frame(const QCanBusFrame frame)
 {
     m_canDevice->writeFrame(frame);
     emit frame_send(frame);
diff --git a/tools/CAN/CAN_interface.hpp b/tools/CAN/CAN_interface.hpp
index 427e232..df9dc98 100644
--- a/tools/CAN/CAN_interface.hpp
+++ b/tools/CAN/CAN_interface.hpp
@@ -11,10 +11,10 @@ class CAN_Interface : public QObject
     CAN_Interface(QString dev, QObject *parent = nullptr);
     ~CAN_Interface();
 
-    void send_frame(const QCanBusFrame &frame);
+    void send_frame(const QCanBusFrame frame);
   signals:
-    void frame_received(const QCanBusFrame frame);
-    void frame_send(const QCanBusFrame frame);
+    void frame_received(QCanBusFrame frame);
+    void frame_send(QCanBusFrame frame);
 
   private:
     void processErrors(QCanBusDevice::CanBusError error) const;
diff --git a/tools/message_parser.cpp b/tools/message_parser.cpp
index 11adc58..c0fb3e8 100644
--- a/tools/message_parser.cpp
+++ b/tools/message_parser.cpp
@@ -60,7 +60,7 @@ json Simulators::command_parser(json command)
     }
     catch (const json::exception &e)
     {
-        spdlog::error(e.what());
+        spdlog::error("{} {}", __FUNCTION__, e.what());
     }
 
     return j;
@@ -104,6 +104,18 @@ void Simulators::event_handler(json event)
                 ->set_selected(std::string(event.at("selected")));
             break;
         }
+        case Event::can_send: {
+            spdlog::debug("Event {}: {}", type, (size_t)event.at("id"));
+            invoke_active_simulator()
+                ->get_UI_item(event.at("id"))
+                ->can_send((uint32_t)event.at("sid"), (uint8_t)event.at("dlc"), (std::array<uint8_t, 8>)event.at("payload"));
+            break;
+        }
+        case Event::can_clear: {
+            spdlog::debug("Event {}: {}", type, (size_t)event.at("id"));
+            invoke_active_simulator()->get_UI_item(event.at("id"))->can_clear();
+            break;
+        }
         default: {
             break;
         }
@@ -111,6 +123,6 @@ void Simulators::event_handler(json event)
     }
     catch (const json::exception &e)
     {
-        spdlog::error(e.what());
+        spdlog::error("{} {}", __FUNCTION__, e.what());
     }
 }
diff --git a/tools/simulators.cpp b/tools/simulators.cpp
index 541a0a3..9b7fcd8 100644
--- a/tools/simulators.cpp
+++ b/tools/simulators.cpp
@@ -130,7 +130,7 @@ json Simulators::changed_UI_items()
 
     json after = this->m_simulators.at(m_current_simulator)->get_UI_items();
     json changed;
-    changed["event"]["type"] = "UI_changed";
+    changed["event"]["type"] = "ui_changed";
 
     json diff = json::diff(m_before, after);
 
diff --git a/tools/simulators.hpp b/tools/simulators.hpp
index db28588..060716c 100644
--- a/tools/simulators.hpp
+++ b/tools/simulators.hpp
@@ -29,6 +29,8 @@ class Simulators : public QObject
         value_changed,
         text_changed,
         selected,
+        can_send,
+        can_clear,
         ui_changed,
         end,
         begin = 0
diff --git a/tools/simulators/can_debugger.cpp b/tools/simulators/can_debugger.cpp
index cb80abf..66fac87 100644
--- a/tools/simulators/can_debugger.cpp
+++ b/tools/simulators/can_debugger.cpp
@@ -3,13 +3,10 @@
 Can_Debugger::Can_Debugger(CAN_Wrapper* can_wrapper, QObject* parent) :
 Simulator_base("Can_Debugger", can_wrapper, std::chrono::milliseconds(100), parent),
       m_wrapper(can_wrapper),
-      m_can_ui(Color::Black, Color::White),
-      m_clear_can_list("Clear list", Color::Black, Color::White)
+      m_can_ui(Color::Black, Color::White)
 {
     this->add_UI_item(&this->m_can_ui);
-    this->add_UI_item(&this->m_clear_can_list);
 
-    connect(&m_clear_can_list, &UI_button::on_click, this, [=, this]{this->m_can_ui.clear_send_buffer(); this->m_can_ui.clear_receive_buffer();});
     connect(&m_can_ui, &UI_can::on_send, this, [=, this](QCanBusFrame frame){m_wrapper->send_can_message(frame);});
 }
 
diff --git a/tools/simulators/can_debugger.hpp b/tools/simulators/can_debugger.hpp
index c836c0c..1d1db4a 100644
--- a/tools/simulators/can_debugger.hpp
+++ b/tools/simulators/can_debugger.hpp
@@ -11,5 +11,4 @@ class Can_Debugger : public Simulator_base {
     private:
         CAN_Wrapper* m_wrapper;
         UI_can m_can_ui;
-        UI_button m_clear_can_list;
 };