point_sale_sequence.xml

<?xml version="1.0"?>
<openerp>
<data noupdate="1">

    #
    # Sequences for pos.order
    #

    <record model="ir.sequence.type" id="seq_type_pos_order">
        <field name="name">POS Order</field>
        <field name="code">pos.order</field>
    </record>
    <record model="ir.sequence" id="seq_pos_order">
        <field name="name">POS Order</field>
        <field name="code">pos.order</field>
        <field name="prefix">POS</field>
        <field name="padding">4</field>
    </record>

    <record model="ir.sequence.type" id="seq_type_pos_order_line">
        <field name="name">POS order line</field>
        <field name="code">pos.order.line</field>
    </record>
    <record model="ir.sequence" id="seq_pos_order_line">
        <field name="name">POS order line</field>
        <field name="code">pos.order.line</field>
        <field name="prefix">POSL</field>
        <field name="padding">4</field>
    </record>

    <record model="ir.sequence.type" id="seq_type_pos_session">
        <field name="name">POS Session</field>
        <field name="code">pos.session</field>
    </record>

    <record model="ir.sequence" id="seq_pos_session">
        <field name="name">POS Session</field>
        <field name="code">pos.session</field>
        <field name="prefix">POS/%(day)s/(month)s/%(year)s/</field>
        <field name="padding">4</field>
    </record>

</data>
</openerp>