How to display a many2many field from another model

Question

I created a Many2many field from my custom module and I wanted this field to display from another model but the fields inside from the other models is not the same values with my custom module.  Images are here:  https://jpst.it/2oHf2
custom.py
class CustomInherit(models.Model):
_inherit = "custom"
po_references = fields.Many2many("sale.order", "pdc_acc_payment_rel", "pdc_id", "pay_id", string="SI Number(s)")
account_payment.py
class account_payment(models.Model):
_inherit = "account.payment"
si

Cybrosys Techno Solutions Pvt.Ltd · Accepted Answer

Hi,
To display a many2many field from another model, follow the steps
custom.py
class CustomInherit(models.Model):
_inherit = "custom"
po_references = fields.Many2many( "sale.order" ,  string = "SI Number(s)" )  account_payment.py
class account_payment(models.Model):
_inherit = "account.payment"
si_numbers = fields.Many2many( "custom" ,  string = "SI Number(s)" ) Regards

Niyas Raphy (Walnut Software Solutions) · Answer

Hi,
Upon seeing the code, that you have added, seems you are confused with the working of the many2many field in Odoo. From the code it seems, you have a many2many field in the model account.payment and in the custom model, and both seems to be referring to separate models.
Can you have a look at this video to get more idea about how the Many2many in odoo is working: Working of Many2many fields in Odoo [1]

Thanks

[1] https://www.youtube.com/watch?v=i5gMQke4-Pk

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