WPML language configuration file

wpml-config.xml

<wpml-config>
    <custom-fields>
        <custom-field action="copy">quantity</custom-field>
        <custom-field action="translate">custom-title</custom-field>
    </custom-fields>
    <custom-types>
        <custom-type translate="1">book</custom-type>
        <custom-type translate="1">DVD</custom-type>
    </custom-types>
    <taxonomies>
        <taxonomy translate="1">genre</taxonomy>
    </taxonomies>
    <admin-texts>
        <key name="my_plugins_options">
            <key name="option_name_1" />
            <key name="option_name_2" />
            <key name="options_group_1">
                <key name="sub_option_name_11" />
                <key name="sub_option_name_12" />
            </key>
        </key>
        <key name="simple_string_option" />
    </admin-texts>
</wpml-config>