account_cost/security/cost_sequence.xml
<?xml version="1.0" encoding="utf-8"?>
<openerp>
<data noupdate="0">
<!-- 服务单编号 -->
<record id="seq_cost_order" model="ir.sequence">
<field name="name">服务单</field>
<field name="code">cost.order</field>
<field name="prefix">COST%(year)s</field>
<field name="padding">5</field>
</record>
</data>
</openerp>