Hello,

I'm trying to open wizard using onchange, I have a button named =" Cross sell", by clicking this button I opened on the wizard,  now I want open wizard with @api.onchange. actually, onchanges called but wizard not open.
Can someone please help me?

Here my code:

​

@api.onchange('product_id')
def action_cross_sell(self):
    """
    Open wizard for cross product
    :return: cross product wizard
    """
    view_id = self.env.ref('product_cross_sell.product_cross_sell_wizard_form_view')
    ctx = {
        'default_cross_product_ids': self.product_id.product_tmpl_id.cross_product_ids.ids,
        'order_id': self.order_id.id
    }
    return {
        'type': 'ir.actions.act_window',
        'view_type': 'form',
        'view_mode': 'form',
        'res_model': 'product.cross.sell',
        'views': [(view_id.id, 'form')],
        'view_id': view_id.id,
        'target': 'new',
        'context': ctx,
    }