plugin.xml

<?xml version="1.0"?>
<plugin id="Gnumeric_MyFuncPlugin">
    <information>
        <name>Other Python functions from HOWTO</name>
        <description>A few extra python functions demonstrating the API.</description>
    </information>
    <loader type="Gnumeric_PythonLoader:python">
        <attribute name="module_name" value="plugin_functions"/>
    </loader>
    <services>
        <service type="function_group" id="amir">
            <category>Local Python</category>
            <functions>
                <function name="py_ghost_add"/>
                <function name="py_ghost_control"/>
                <function name="py_true_random"/>
                <function name="py_signed_true_random"/>
                <function name="py_series_sum"/>
                <function name="py_iban_validate"/>
                <function name="py_iban_bank_code"/>
                <function name="py_iban_branch_code"/>
                <function name="py_iban_account_number"/>
            </functions>
        </service>
    </services>
</plugin>