Karabiner config for tmux

gistfile1.txt

<?xml version="1.0"?>
<root>
  <item>
    <name>TMUX Key Remappings</name>
    <item>
      <name>TMUX: Right Control to Ctrl+B</name>
      <identifier>private.right_control_to_control_b</identifier>
      <autogen>
        --KeyToKey-- 
        KeyCode::CONTROL_R,
        KeyCode::B, ModifierFlag::CONTROL_L
      </autogen>
    </item>
  </item>
</root>