real_estate_base/security/real_estate_security.xml

<?xml version="1.0" encoding="utf-8"?>
<openerp>
    <data noupdate="1">
        
       <record id="real_estate_base.group_real_estate_user" model="res.groups">
            <field name="name">Real Estate / User</field>
        </record>
        
         <record id="real_estate_base.group_real_estate_manager" model="res.groups">
            <field name="name">Real Estate / Manager</field>
            <field name="implied_ids" eval="[(4, ref('real_estate_base.group_real_estate_user'))]"/>
        </record>
        
        
        
    </data>
</openerp>