~/Library/Application Support/Karabiner/private.xml

private.xml

<?xml version="1.0"?>
<root>
<item>
  <name>Keymap for danish_dollar key :second</name>
  <appendix>map: ± to ~ # for type home_path in console</appendix>
  <identifier>key_to_key::danish_dollar_to_backquote</identifier>
  <autogen>
    __KeyToKey__
    KeyCode::DANISH_DOLLAR, ModifierFlag::COMMAND_L,
    KeyCode::BACKQUOTE, ModifierFlag::COMMAND_L
  </autogen>
</item>
<item>
  <name>Keymap for danish_dollar key</name>
  <appendix>map: cmd+§ => cmd+` # for keybind change current application window</appendix>
  <identifier>key_to_key::cmd_danish_dollar_to_backquote</identifier>
  <autogen>
    __KeyToKey__
    KeyCode::DANISH_DOLLAR,
    KeyCode::BACKQUOTE
  </autogen>
</item>
</root>