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Hi everyone,


Is it possible to display a list of one2many field records based on another model's field instead of the model name field? For example, in the related model, there is a field named "code." I would like to list all records in the one2many field but display the "code" field instead of the names of the records.

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Hi,


Yes, it's possible to display a One2many field using a custom field (like code) instead of the default name. You can achieve this by using the many2many_tags widget with the display_name option.


Python Code


class Model1(models.Model):

    _name = 'your.module.model_1'

    _description = 'Model 1'


    name = fields.Char(string='Name')

    model_2_ids = fields.One2many('your.module.model_2', 'model_1_id', string='Model 2 Records')



class Model2(models.Model):

    _name = 'your.module.model_2'

    _description = 'Model 2'


    code = fields.Char(string='Code')

    model_1_id = fields.Many2one('your.module.model_1', string='Model 1')


XML View


<record id="view_model1_form" model="ir.ui.view">

    <field name="name">model1.form</field>

    <field name="model">your.module.model_1</field>

    <field name="arch" type="xml">

        <form string="Model 1">

            <sheet>

                <field name="model_2_ids" widget="many2many_tags" options="{'display_name': 'code'}"/>

            </sheet>

        </form>

    </field>

</record>


Hope this helps

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you can simply add:

class RelatedModel(models.Model):

    _rec_name = 'code'


​code = fields.Text('Code')

to your one2many related model

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