pricelistl_security/pricelist_view.xml

<?xml version="1.0"?>
<openerp>
    <data>
        <!-- Form -->
        <record id="view_pricelist_security_account_pricelist_form" model="ir.ui.view">
            <field name="name">pricelist_secuirty.product.pricelist.form</field>
            <field name="model">product.pricelist</field>
            <field name="inherit_id" ref="product.product_pricelist_view"/>
            <field name="arch" type="xml">
                <xpath expr="//field[@name='version_id']" postition="after">
                    <group string="Allowed Users">
                        <field name="user_ids" widget="many2many_tags" no_label="1"/>
                    </group>
                </xpath>
            </field>
        </record>
        
    </data>
</openerp>