In OpenERP first we create the view in .view file. then install to the human resource module and configure it and then we can easily track all activities related to a customer: discussions, history of business opportunities, documents.

Use this code show below:

 <record id="action_partner_customer_form" model="ir.actions.act_window">
            <field name="name">Customers</field>
            <field name="type">ir.actions.act_window</field>
            <field name="res_model">res.partner</field>
            <field name="view_type">form</field>
            <field name="view_mode">kanban,tree,form</field>
            <field name="domain">[]</field>
            <field name="context">{'default_customer':1, 'search_default_customer':1}</field>
            <field name="filter" eval="True"/>
            <field name="help" type="html">
              <p class="oe_view_nocontent_create">
                Click to add a contact in your address book.
              </p><p>
              
              </p>
            </field>
        </record>