partner_history_pos/views/partner_view_sale.xml

<?xml version="1.0" encoding="utf-8"?>
<openerp>
    <data>
        <record id="view_sale_partner_form" model="ir.ui.view">
            <field name="name">view.sale.partner.form</field>
            <field name="model">res.partner</field>
            <field name="inherit_id" ref="base.view_partner_form"/>
            <field name="arch" type="xml">
                <notebook>
                    <page string="Hitorial de Cliente">
                    <notebook>
                      <!--  Iniciativas y Oportunidades  -->
                      <page string=" Iniciativas y Oportunidades ">
                          <group col="1">
                            <field name="all_opportunity_ids" readonly="1" nolabel='1'>
                            </field>
                          </group>
                      </page>

                      <!-- Llamadas telefónicas  -->
                      <page string=" Llamadas telefónicas ">
                          <group col="1">
                            <field name="phonecall_ids" readonly="1" nolabel='1'>
                            </field>
                          </group>
                      </page>

                       <!-- Reuniones  -->
                       <page string=" Reuniones ">
                           <group col="1">
                             <field name="meeting_ids" readonly="1" nolabel='1'>
                             </field>
                           </group>
                       </page>

                      <!--ventas-->
                      <page string="Ventas">
                        <group col="1">
                            <field name="sale_order_ids" readonly="1" nolabel='1'>
                                <tree>
                                    <field name="name"/>
                                    <field name="date_order"/>
                                    <field name="user_id"/>
                                    <field name="amount_total" sum="Total"/>
                                    <field name="state"/>
                                </tree>
                            </field>
                        </group>
                        </page>

                        <!-- Facturacion -->
                        <page string="Facturaciones">
                          <group col="1">
                              <field name="invoice_ids" readonly="1" nolabel='1'>
                                  <tree>
                                    <field name="number"/>
                                    <field name="date_invoice"/>
                                    <field name="user_id"/>
                                    <field name="origin"/>
                                    <field name="residual" sum="Saldo Pendiente"/>
                                    <field name="amount_total" sum="Total"/>
                                    <field name="state"/>
                                  </tree>
                              </field>
                          </group>
                          </page>
                      </notebook>
                    </page>
            </notebook>
            </field>
        </record>
    </data>
</openerp>