product_customer_code_view.xml

<?xml version='1.0' encoding='UTF-8'?>
<openerp>
    <data>
    
        <record model="ir.ui.view" id="view_product_customer_code_form">
            <field name="name">view.product.customer.code.form</field>
            <field name="model">product.customer.code</field>
            <field name="arch" type="xml">
                <form string="Product Customer Code" version="7.0">
                    <field name="product_code"/>
                    <field name="partner_id"/>
                    <field name="product_id"/>
                    <field name="company_id" widget="selection" groups="base.group_multi_company"/>
                </form>
            </field>
        </record>

        <record model="ir.ui.view" id="view_product_customer_code_tree">
            <field name="name">view.product.customer.code.tree</field>
            <field name="model">product.customer.code</field>
            <field name="arch" type="xml">
                <tree string="Product Customer Code">
                    <field name="product_code"/>
                    <field name="partner_id"/>
                    <field name="company_id"/>
                    <field name="product_id"/>
                </tree>
            </field>
        </record>
        
        <record id="action_product_customer_code_tree" model="ir.actions.act_window">
            <field name="name">Product Customer Code</field>
            <field name="res_model">product.customer.code</field>
            <field name="view_type">form</field>
            <field name="view_id" ref="view_product_customer_code_tree"/>
        </record>
        
        <record id="view_product_customer_code_search" model="ir.ui.view">
            <field name="name">view.product.customer.code.certificate.search</field>
            <field name="model">product.customer.code</field>
            <field name="arch" type="xml">
                <search string="Product Customer Code">
                    <field name="product_code"/>
                    <field name="partner_id"/>
                    <field name="company_id"/>
                    <field name="product_id"/>
                    <newline/>
                    <group expand="0" string="Group By...">
                        <filter string="Company" icon="terp-partner" domain="[]" context="{'group_by':'company_id'}"/>
                        <filter string="Product" icon="terp-accessories-archiver" domain="[]" context="{'group_by':'product_id'}"/>
                        <filter string="Partner" icon="terp-partner" domain="[]" context="{'group_by':'partner_id'}"/>
                        <separator orientation="vertical"/>
                    </group>
                </search>
            </field>
        </record>
        
         <menuitem action="action_product_customer_code_tree" id="menu_product_customer_code" sequence="50" parent="product.prod_config_main" groups="group_product_customer_code_manager"/>

    </data>
</openerp>