eiru_pos/workflows/eiru_pos_workflow.xml

<?xml version="1.0"?>
<openerp>
    <data>
        <record id="eiru_pos_wkf" model="workflow">
            <field name="name">eiru.pos.wkf</field>
            <field name="osv">eiru.pos</field>
            <field name="on_create">True</field>
        </record>
    </data>
</openerp>