hr_employee_join_termination_date/data/ir_cron.xml
<?xml version="1.0" encoding="utf-8" ?>
<openerp>
<data noupdate="1">
<record id="cron_employee_longetivity_update" model="ir.cron">
<field name='name'>Update Employee Longetivity</field>
<field name='interval_number'>1</field>
<field name='interval_type'>days</field>
<field name="numbercall">-1</field>
<field name="active">False</field>
<field name="doall" eval="False" />
<field name="model">hr.employee</field>
<field name="function">cron_update_longetivity</field>
<field name="args">()</field>
</record>
</data>
</openerp>