Onchange Methods in Odoo

Onchange Methods in Odoo — a practical guide to Odoo onchange with clear examples you can reuse in real projects.

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Short description

Onchange is UI-oriented; do not rely on it for server-side security.

onchange

@api.onchange('partner_id')
def _onchange_partner_id(self):
    if self.partner_id:
        self.email = self.partner_id.email