Karabiner config: switch langauge with Option(Alt)+Shift

private.xml

<?xml version="1.0"?>
<root>
  <vkchangeinputsourcedef>
    <name>KeyCode::VK_CHANGE_INPUTSOURCE_HEBREW</name>
    <languagecode>he</languagecode>
    <inputsourceid_equal>org.unknown.keylayout.Hebrew</inputsourceid_equal>
  </vkchangeinputsourcedef>
  
  <item>
    <name>Option+Shift to switch between English and Hebrew</name>
    <appendix>The side of the shift chooses the layout: Shift_L switches to English, Shift_R switches to Hebrew</appendix>
    <identifier>private.opt_shift_change_he_en</identifier>
    
    <autogen>__KeyToKey__ KeyCode::OPTION_L, ModifierFlag::SHIFT_L,  KeyCode::VK_CHANGE_INPUTSOURCE_ENGLISH</autogen>
    <autogen>__KeyToKey__ KeyCode::SHIFT_L,  ModifierFlag::OPTION_L, KeyCode::VK_CHANGE_INPUTSOURCE_ENGLISH</autogen>
    <autogen>__KeyToKey__ KeyCode::OPTION_R, ModifierFlag::SHIFT_L,  KeyCode::VK_CHANGE_INPUTSOURCE_ENGLISH</autogen>
    <autogen>__KeyToKey__ KeyCode::SHIFT_L,  ModifierFlag::OPTION_R, KeyCode::VK_CHANGE_INPUTSOURCE_ENGLISH</autogen>
    
    <autogen>__KeyToKey__ KeyCode::OPTION_R, ModifierFlag::SHIFT_R,  KeyCode::VK_CHANGE_INPUTSOURCE_HEBREW</autogen>
    <autogen>__KeyToKey__ KeyCode::SHIFT_R,  ModifierFlag::OPTION_R, KeyCode::VK_CHANGE_INPUTSOURCE_HEBREW</autogen>
    <autogen>__KeyToKey__ KeyCode::OPTION_L, ModifierFlag::SHIFT_R,  KeyCode::VK_CHANGE_INPUTSOURCE_HEBREW</autogen>
    <autogen>__KeyToKey__ KeyCode::SHIFT_R,  ModifierFlag::OPTION_L, KeyCode::VK_CHANGE_INPUTSOURCE_HEBREW</autogen>
  </item>
    
</root>