why route http change after submit form qweb odoo13? extra undefined in route

Question

my controller is pretty simple,
code:
@http.route('/booking_success',type='http', auth='public',website=True)
def handler_booking_success(self,**kwargs):
values={}
print(kwargs)
_logger.info(str(kwargs))
return request.render("dym_customer_booking.booking_success", values)
form action :
<form role="form" action="/booking_success" method="POST" class="s_website_form container-fluid mt32" enctype="multipart/form-data">

but after submit button the route in log become
POST /booking_successundefined

Rodrigo Grijalva · Answer

to the action of the form the data model is added to the end like
action + force_action OR model_name
where both force_action and data_model are attributes of the form tag

in this case you could do
form data-force_action="YOU_CONTROLLER_URL" action="" method="post" enctype="multipart/form-data" class="o_mark_required" data-mark="*" data-pre-fill="true" data-model_name=""

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