from odoo import api, fields, models class AccountAnalyticAccount(models.Model): _inherit = 'account.analytic.account' payment_mode_id = fields.Many2one( comodel_name='account.payment.mode', string='Payment Mode', domain=[('payment_type', '=', 'inbound')], ) @api.onchange('partner_id') def on_change_partner_id(self): self.payment_mode_id = self.partner_id.customer_payment_mode_id.id @api.multi def _prepare_invoice(self): invoice_vals = super(AccountAnalyticAccount, self)._prepare_invoice() if self.payment_mode_id: invoice_vals['payment_mode_id'] = self.payment_mode_id.id invoice = self.env['account.invoice'].new(invoice_vals) invoice._onchange_payment_mode_id() invoice_vals = invoice._convert_to_write(invoice._cache) return invoice_vals