diff --git a/model/serializeConfig.js b/model/serializeConfig.js
index 3e73d0b9..419c5236 100755
--- a/model/serializeConfig.js
+++ b/model/serializeConfig.js
@@ -10,8 +10,131 @@ var writer = BufferWriter(buffer);
 var uhkConfig = JSON.parse(fs.readFileSync('uhk-config.json'));
 var keyActions = uhkConfig.keymaps[0].modules[0].layers[0].keyActions;
 
+var KEY_ACTION_ID_NONE                            = 0;
+var KEY_ACTION_ID_KEYSTROKE_SCANCODE_FIRST        = 1;
+var KEY_ACTION_ID_KEYSTROKE_SCANCODE_LAST         = 231;
+var KEY_ACTION_ID_DUAL_ROLE_KEYSTROKE_MOD         = 232;
+var KEY_ACTION_ID_DUAL_ROLE_KEYSTROKE_FN          = 233;
+var KEY_ACTION_ID_DUAL_ROLE_KEYSTROKE_MOUSE       = 234;
+var KEY_ACTION_ID_DUAL_ROLE_KEYSTROKE_LEFT_CTRL   = 235;
+var KEY_ACTION_ID_DUAL_ROLE_KEYSTROKE_LEFT_SHIFT  = 236;
+var KEY_ACTION_ID_DUAL_ROLE_KEYSTROKE_LEFT_ALT    = 237;
+var KEY_ACTION_ID_DUAL_ROLE_KEYSTROKE_LEFT_SUPER  = 238;
+var KEY_ACTION_ID_DUAL_ROLE_KEYSTROKE_RIGHT_CTRL  = 239;
+var KEY_ACTION_ID_DUAL_ROLE_KEYSTROKE_RIGHT_SHIFT = 240;
+var KEY_ACTION_ID_DUAL_ROLE_KEYSTROKE_RIGHT_ALT   = 241;
+var KEY_ACTION_ID_DUAL_ROLE_KEYSTROKE_RIGHT_SUPER = 242;
+var KEY_ACTION_ID_MOUSE                           = 243;
+var KEY_ACTION_ID_PLAY_MACRO                      = 244;
+var KEY_ACTION_ID_SWITCH_KEYMAP                   = 245;
+
+var NONE_ACTION_PADDING = 0;
+
+var MOUSE_ACTION_ID_LEFT_CLICK   = 0;
+var MOUSE_ACTION_ID_MIDDLE_CLICK = 1;
+var MOUSE_ACTION_ID_RIGHT_CLICK  = 2;
+var MOUSE_ACTION_ID_MOVE_UP      = 3;
+var MOUSE_ACTION_ID_MOVE_DOWN    = 4;
+var MOUSE_ACTION_ID_MOVE_LEFT    = 5;
+var MOUSE_ACTION_ID_MOVE_RIGHT   = 6;
+var MOUSE_ACTION_ID_SCROLL_UP    = 7;
+var MOUSE_ACTION_ID_SCROLL_DOWN  = 8;
+var MOUSE_ACTION_ID_SCROLL_LEFT  = 9;
+var MOUSE_ACTION_ID_SCROLL_RIGHT = 10;
+var MOUSE_ACTION_ID_ACCELERATE   = 11;
+var MOUSE_ACTION_ID_DEELERATE    = 12;
+
+function serializeKeyActions(keyActions) {
+    keyActions.forEach(function(keyAction) {
+        serializeKeyAction(keyAction);
+    });
+}
+
+function serializeKeyAction(keyAction) {
+    console.log(keyAction);
+    switch (keyAction.actionType) {
+        case 'none':
+            serializeNoneAction();
+            break;
+        case 'key':
+            serializeKeystrokeAction(keyAction);
+            break;
+        case 'dualRoleKey':
+            serializeDualRoleKeyAction(keyAction);
+            break;
+        case 'mouse':
+            serializeMouseAction(keyAction);
+            break;
+        case 'playMacro':
+            serializeMacroAction(keyAction);
+            break;
+        case 'switchKeymap':
+            serializeSwitchKeymapAction(keyAction);
+            break;
+        default:
+            throw "KeyAction doesn't have a valid actionType property!";
+    }
+}
+
+function serializeNoneAction(keystrokeAction) {
+    writer.uint8(KEY_ACTION_ID_NONE);
+    writer.uint8(NONE_ACTION_PADDING);
+}
+
+function serializeKeystrokeAction(keystrokeAction) {
+    writer.uint8(keystrokeAction.scancode);
+    writer.uint8(keystrokeAction.modifiers);
+}
+
+function serializeDualRoleKeyAction(dualRoleKeyAction) {
+    writer.uint8({
+        mod         : KEY_ACTION_ID_DUAL_ROLE_KEYSTROKE_MOD,
+        fn          : KEY_ACTION_ID_DUAL_ROLE_KEYSTROKE_FN,
+        mouse       : KEY_ACTION_ID_DUAL_ROLE_KEYSTROKE_MOUSE,
+        leftControl : KEY_ACTION_ID_DUAL_ROLE_KEYSTROKE_LEFT_CTRL,
+        leftShift   : KEY_ACTION_ID_DUAL_ROLE_KEYSTROKE_LEFT_SHIFT,
+        leftAlt     : KEY_ACTION_ID_DUAL_ROLE_KEYSTROKE_LEFT_ALT,
+        leftSuper   : KEY_ACTION_ID_DUAL_ROLE_KEYSTROKE_LEFT_SUPER,
+        rightControl: KEY_ACTION_ID_DUAL_ROLE_KEYSTROKE_RIGHT_CTRL,
+        rightShift  : KEY_ACTION_ID_DUAL_ROLE_KEYSTROKE_RIGHT_SHIFT,
+        rightAlt    : KEY_ACTION_ID_DUAL_ROLE_KEYSTROKE_RIGHT_ALT,
+        rightSuper  : KEY_ACTION_ID_DUAL_ROLE_KEYSTROKE_RIGHT_SUPER
+    }[dualRoleKeyAction.longPressAction]);
+    writer.uint8(dualRoleKeyAction.scancode);
+}
+
+function serializeMouseAction(mouseAction) {
+    writer.uint8(KEY_ACTION_ID_MOUSE);
+    writer.uint8({
+        leftClick  : MOUSE_ACTION_ID_LEFT_CLICK,
+        middleClick: MOUSE_ACTION_ID_MIDDLE_CLICK,
+        rightClick : MOUSE_ACTION_ID_RIGHT_CLICK,
+        moveUp     : MOUSE_ACTION_ID_MOVE_UP,
+        moveDown   : MOUSE_ACTION_ID_MOVE_DOWN,
+        moveLeft   : MOUSE_ACTION_ID_MOVE_LEFT,
+        moveRight  : MOUSE_ACTION_ID_MOVE_RIGHT,
+        scrollUp   : MOUSE_ACTION_ID_SCROLL_UP,
+        scrollDown : MOUSE_ACTION_ID_SCROLL_DOWN,
+        scrollLeft : MOUSE_ACTION_ID_SCROLL_LEFT,
+        scrollRight: MOUSE_ACTION_ID_SCROLL_RIGHT,
+        accelerate : MOUSE_ACTION_ID_ACCELERATE,
+        decelerate : MOUSE_ACTION_ID_DEELERATE
+    }[mouseAction.mouseAction]);
+}
+
+function serializeMacroAction(macroAction) {
+    writer.uint8(KEY_ACTION_ID_PLAY_MACRO);
+    writer.uint8(macroAction.macroId);
+}
+
+function serializeSwitchKeymapAction(switchKeymapAction) {
+    writer.uint8(KEY_ACTION_ID_SWITCH_KEYMAP);
+    writer.uint8(switchKeymapAction.keymapId);
+}
+
 writer.uint8(0x66);
 writer.uint16(0x1122);
 writer.string("Hi there!");
 writer.uint8(0x66);
+serializeKeyActions(keyActions);
 fs.writeFileSync('uhk-config.bin', buffer);