odoo16/addons/point_of_sale/views/res_partner_view.xml

<?xml version="1.0" encoding="UTF-8"?>
<odoo>
        <record id="view_partner_property_form" model="ir.ui.view">
            <field name="name">res.partner.pos.form.inherit</field>
            <field name="model">res.partner</field>
            <field name="inherit_id" ref="base.view_partner_form"/>
            <field name="priority" eval="4"/>
            <field name="arch" type="xml">
                <div name="button_box" position="inside">
                    <button class="oe_stat_button" type="object" name="action_view_pos_order"
                        groups="point_of_sale.group_pos_user"
                        context="{'default_partner_id': active_id}"
                        attrs="{'invisible': [('pos_order_count', '=', 0)]}"
                        icon="fa-shopping-bag">
                        <field string="PoS Orders" name="pos_order_count" widget="statinfo"/>
                    </button>
                </div>
                <xpath expr="//group[@name='purchase']" position="after">
                    <group string="Point Of Sale" name="point_of_sale" groups="point_of_sale.group_pos_user">
                        <field name="barcode"/>
                    </group>
                </xpath>

            </field>
        </record>
        <record id="view_partner_pos_kanban" model="ir.ui.view">
            <field name="name">res.partner.pos.kanban.inherit</field>
            <field name="model">res.partner</field>
            <field name="inherit_id" ref="base.res_partner_kanban_view"/>
            <field name="arch" type="xml">
                <field name="state_id" position="before">
                    <field name="pos_order_count" groups="point_of_sale.group_pos_user"/>
                </field>
                <xpath expr="//div[hasclass('oe_kanban_bottom_left')]" position="inside">
                    <a t-if="record.pos_order_count.value>0" data-type="object" data-name="action_view_pos_order"
                       groups="point_of_sale.group_pos_user"
                       href="#" class="oe_kanban_action oe_kanban_action_a me-1">
                        <span class="badge rounded-pill">
                            <i class="fa fa-fw fa-shopping-bag" role="img" aria-label="Shopping cart" title="Shopping cart"/>
                            <t t-out="record.pos_order_count.value"/>
                        </span>
                    </a>
                </xpath>
            </field>
        </record>
</odoo>