social/mail_restrict_follower_selection/demo/ir_config_parameter_demo.xml

<?xml version="1.0" ?>
<odoo>
    <record id="parameter_res_partner_domain" model="ir.config_parameter">
        <field name="key">mail_restrict_follower_selection.domain.res.partner</field>
        <field name="value">[(1, '=', 1)]</field>
    </record>
</odoo>