<button name="action_invoice_sent" string="Send & Print" type="object"/> -- object is written under python file where can i find it ?
<button name="148" id="account_invoice_payment_btn" type="action"/> -- this is action i can find it under actions
C:\Program Files (x86)\Odoo 12.0\server\odoo\addons\account\models -- i check under models or under account folder but no luck can find then code which is behind "action_invoice_sent" is object
where can i find the source code
kindly guide