contract/project_sla/project_sla_control_data.xml

<?xml version="1.0" encoding="utf-8"?>
<openerp>
    <data noupdate="1">

        <record id="ir_cron_sla_action" model="ir.cron">
            <field name="name">Update SLA States</field>
            <field name="priority" eval="100"/>
            <field name="interval_number">1</field>
            <field name="interval_type">hours</field>
            <field name="numbercall">-1</field>
            <field name="doall" eval="False"/>
            <field name="model">project.sla.control</field>
            <field name="function">update_sla_states</field>
            <field name="args">()</field>
        </record>

    </data>
</openerp>