<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright 2016-2017 Christophe CHAUVET
     License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl). -->

<openerp>
    <data>

        <menuitem id="menu_accounting" 
            parent="menu_sci"
            sequence="30"
            name="Accounting"/>

        <menuitem id="menu_accounting_receipt" 
            parent="menu_accounting"
            sequence="20"
            name="Receipt"
            action="account_voucher.action_sale_receipt"/>

    </data>
</openerp>

<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright 2016-2017 Christophe CHAUVET
     License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl). -->
<openerp>
    <data>

        <menuitem id="menu_accounting_cust" 
            parent="menu_sci"
            sequence="30"
            name="Customer Accounting"/>

        <menuitem id="menu_accounting_receipt" 
            parent="menu_accounting_cust"
            sequence="20"
            name="Receipt"
            action="account_voucher.action_sale_receipt"/>

        <menuitem id="menu_accounting_custpayment" 
            parent="menu_accounting_cust"
            sequence="20"
            name="Customer payment"
            action="account_voucher.action_vendor_receipt"/>

    </data>
</openerp>

Add new menu for customer payment
[ADD] Add new menu for customer payment
