+ </group>
+ <group>
+ <field name="associate_member" readonly="1" string="Main member"/>
+ </group>
+ </page>
+ <page string="Memberships">
+ <field name="member_lines" readonly="1">
+ <tree string="Memberships">
+ <field name="date_from"/>
+ <field name="date_to"/>
+ <field name="membership_id"/>
+ <field name="member_price"/>
+ <field name="account_invoice_id"/>
+ <field name="state"/>
+ </tree>
+ <form string="Memberships">
+ <field name="date_from"/>
+ <field name="date_to"/>
+ <field name="member_price"/>
+ <field name="membership_id"/>
+ <field name="account_invoice_id"/>
+ <field name="state"/>
+ </form>
+ </field>
+ </page>