point_of_sale_report.xml

<?xml version="1.0" encoding="utf-8"?>
<odoo>
    <report
        id="report_user_label"
        model="res.users"
        string="User Labels"
        report_type="qweb-pdf"
        name="point_of_sale.report_userlabel"
        file="point_of_sale.report_userlabel"
    />

    <!-- used from POS UI, no need to be in print menu -->
    <record id="pos_invoice_report" model="ir.actions.report">
        <field name="name">Invoice</field>
        <field name="model">pos.order</field>
        <field name="report_type">qweb-pdf</field>
        <field name="report_name">point_of_sale.report_invoice</field>
        <field name="print_report_name">'Invoice - %s' % (object.name)</field>
    </record>

    <record id="sale_details_report" model="ir.actions.report">
        <field name="name">Sales Details</field>
        <field name="model">report.point_of_sale.details</field>
        <field name="report_type">qweb-pdf</field>
        <field name="report_name">point_of_sale.report_saledetails</field>
    </record>

    <template id="report_invoice" inherit_id="account.report_invoice" primary="True"/>

</odoo>