org.gnome.shell.extensions.SwitchFocusType.gschema.xml

<?xml version="1.0" encoding="UTF-8"?>
<schemalist>

    <schema id="org.gnome.shell.extensions.switchfocustype"
    path="/org/gnome/shell/extensions/switchfocustype/">

    <key type="as" name="my-shortcut">
        <default><![CDATA[['<Alt><Ctrl>a']]]></default>
        <summary>The shortcut key</summary>
        <description>
        test
        </description>

    </key>

    </schema>

</schemalist>