Odoo-Modules/fusion-plating/fusion_plating_certificates/data/fp_certificate_sequence_data.xml

<?xml version="1.0" encoding="utf-8"?>
<odoo noupdate="1">
    <record id="seq_fp_certificate" model="ir.sequence">
        <field name="name">Fusion Plating: Certificate</field>
        <field name="code">fp.certificate</field>
        <field name="prefix">CERT-</field>
        <field name="padding">5</field>
        <field name="company_id" eval="False"/>
    </record>
</odoo>