I will try sir..

Big Thanks for response (Terimakasih banyak) :D

i get error code ;

File "/home/fazryan/odoo/odoo/modules/registry.py", line 170, in __getitem__

return self.models[model_name]

KeyError: 'rates.table'

and this code that I implemented;

@api.onchange('parking_zone_rate_id','vehicle_typee_id')

def onchange_get_rates(self):

if self.parking_zone_rate_id and self.vehicle_typee_id:

# calculate here

# find in rates table

rates = self.env['rates.table'].search([('parking_zone_rate_id','=','name'), ('name','=','name')])

self.rates = rates.rates

please guide me, what should I do?

Usually in python, if that error showed up it caused by you try to call an attribute that not defined in object

And as you need to know that, not all that syntax that i wrote before was correct because i never test the code,, it just only to show you to try the flow/concept,,

It very depends on your model structure

So please understand the concept/sructure and flow,,, not to copy the code that i wrote before

I suggest you to explain your model structure more detail..

In that error message that class model "'rates.table" doesn't not defined...

Regards,