Karabiner C

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<root>

    <item>
        <name>Numpad as Mouse</name>
        <appendix>Toggle on/off with right-command + space</appendix>
        <identifier>private.mode_example</identifier>
        <autogen>
          __KeyToKey__
          KeyCode::SPACE, ModifierFlag::COMMAND_R | ModifierFlag::OPTION_R,
          KeyCode::VK_CONFIG_TOGGLE_notsave_private_mode_example,
        </autogen>
    </item>

    <item hidden="true">
        <identifier vk_config="true">notsave.private_mode_example</identifier>
            <autogen>__ShowStatusMessage__ Using NumPad as Mouse
press RIGHT CMD + RIGHT OTP
 + SPACE to quit</autogen>
        <autogen>__KeyToKey__ KeyCode::KEYPAD_5, KeyCode::VK_MOUSEKEY_BUTTON_LEFT</autogen>
        <autogen>__KeyToKey__ KeyCode::KEYPAD_6, KeyCode::VK_MOUSEKEY_BUTTON_RIGHT</autogen>
        <autogen>__KeyToKey__ KeyCode::KEYPAD_4, KeyCode::VK_MOUSEKEY_BUTTON_MIDDLE</autogen>

        <autogen>__KeyToKey__ KeyCode::KEYPAD_2, KeyCode::VK_MOUSEKEY_BUTTON_LEFT,KeyCode::VK_MOUSEKEY_BUTTON_LEFT</autogen>
        <autogen>__KeyToKey__ KeyCode::KEYPAD_3, KeyCode::VK_MOUSEKEY_BUTTON_RIGHT,KeyCode::VK_MOUSEKEY_BUTTON_RIGHT</autogen>
        <autogen>__KeyToKey__ KeyCode::KEYPAD_1, KeyCode::VK_MOUSEKEY_BUTTON_MIDDLE,KeyCode::VK_MOUSEKEY_BUTTON_MIDDLE</autogen>

            <autogen>__KeyToKey__ KeyCode::KEYPAD_8, KeyCode::VK_MOUSEKEY_LOCK_BUTTON_LEFT</autogen>
            <autogen>__KeyToKey__ KeyCode::KEYPAD_9, KeyCode::VK_MOUSEKEY_LOCK_BUTTON_RIGHT</autogen>
            <autogen>__KeyToKey__ KeyCode::KEYPAD_7, KeyCode::VK_MOUSEKEY_LOCK_BUTTON_MIDDLE</autogen>

            <autogen>__KeyToKey__ KeyCode::KEYPAD_0, KeyCode::VK_MOUSEKEY_LOCK_BUTTON_LEFT</autogen>
            <autogen>__KeyToKey__ KeyCode::KEYPAD_DOT, KeyCode::VK_MOUSEKEY_LOCK_BUTTON_LEFT</autogen>

    </item>

    <!-- UNCOMMENT
    <item>
            <name>5 to left click</name>
            <appendix>key2mouse</appendix>
            <identifier>5_to_left_click</identifier>
            <autogen>__KeyToKey__ KeyCode::KEYPAD_5, KeyCode::VK_MOUSEKEY_BUTTON_LEFT</autogen>
        <autogen>__KeyToKey__ KeyCode::KEYPAD_6, KeyCode::VK_MOUSEKEY_BUTTON_RIGHT</autogen>
        <autogen>__KeyToKey__ KeyCode::KEYPAD_4, KeyCode::VK_MOUSEKEY_BUTTON_MIDDLE</autogen>
        <autogen>__KeyToKey__ KeyCode::KEYPAD_2, KeyCode::VK_MOUSEKEY_BUTTON_LEFT,KeyCode::VK_MOUSEKEY_BUTTON_LEFT</autogen>
        <autogen>__KeyToKey__ KeyCode::KEYPAD_3, KeyCode::VK_MOUSEKEY_BUTTON_RIGHT,KeyCode::VK_MOUSEKEY_BUTTON_RIGHT</autogen>
        <autogen>__KeyToKey__ KeyCode::KEYPAD_1, KeyCode::VK_MOUSEKEY_BUTTON_MIDDLE,KeyCode::VK_MOUSEKEY_BUTTON_MIDDLE</autogen>

            <autogen>__KeyToKey__ KeyCode::KEYPAD_8, KeyCode::VK_MOUSEKEY_LOCK_BUTTON_LEFT</autogen>
            <autogen>__KeyToKey__ KeyCode::KEYPAD_9, KeyCode::VK_MOUSEKEY_LOCK_BUTTON_RIGHT</autogen>
            <autogen>__KeyToKey__ KeyCode::KEYPAD_7, KeyCode::VK_MOUSEKEY_LOCK_BUTTON_MIDDLE</autogen>

            <autogen>__KeyToKey__ KeyCode::KEYPAD_0, KeyCode::VK_MOUSEKEY_LOCK_BUTTON_LEFT</autogen>
            <autogen>__KeyToKey__ KeyCode::KEYPAD_DOT, KeyCode::VK_MOUSEKEY_LOCK_BUTTON_LEFT</autogen>
    </item>

    -->

</root>