hr_employee_sequence_configurator/views/hr_employee_views.xml
<?xml version="1.0" encoding="utf-8" ?>
<!-- Copyright 2020 OpenSynergy Indonesia
Copyright 2020 PT. Simetri Sinergi Indonesia
License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl). -->
<openerp>
<data>
<record id="hr_employee_view_form" model="ir.ui.view">
<field name="name">hr.employee form</field>
<field name="model">hr.employee</field>
<field name="inherit_id" ref="hr.view_employee_form" />
<field name="arch" type="xml">
<data>
<xpath expr="//field[@name='identification_id']" position="after">
<field name="employee_code" />
<button
name="action_create_identification_id"
string="Generate ID"
type="object"
colspan="2"
/>
</xpath>
</data>
</field>
</record>
</data>
</openerp>