hr_payslip_gamification/views/hr_payslip_views.xml
<?xml version="1.0" encoding="utf-8" ?>
<openerp>
<data>
<record id="hr_payslip_view_form" model="ir.ui.view">
<field name="name">hr.payslip form</field>
<field name="model">hr.payslip</field>
<field name="inherit_id" ref="hr_payroll.view_hr_payslip_form" />
<field name="arch" type="xml">
<xpath expr="//notebook/page[1]" position="after">
<page name="gamification_goal" string="Gamification Goals">
<field name="gamification_goal_ids" nolabel="1" />
</page>
</xpath>
</field>
</record>
</data>
</openerp>