how to set default value in many2one field

Question

Hello, how do i set the default value for my many2one field. i have this code but it returns and error.

my_field = fields.many2one(
​comodel_name="module.i.want",
​string="My many2one field",
​default=  lambda self: self.env['module.i.want'].search([('code', '=', 'model_code_1')], limit=1).id
)

I checked the type of the highlighted code and it returns a type 'function' not an 'integer' (which is the error):
psycopg2.errors.InvalidTextRepresentation: invalid input syntax for type integer: "modu

Malay Khamar (Serpent Consulting Services Pvt. Ltd.) · Answer

Hello,
Please remove the id after the search method. Try with this
my_field = fields.many2one(
​comodel_name="module.i.want",
​string="My many2one field",
​default= lambda self: self.env['module.i.want'].search([('code', '=', 'model_code_1')], limit=1)
)

Please check the type of the code field from the module you search.
Hope it will help you.

Cybrosys Techno Solutions Pvt.Ltd · Answer

Hi,
You can use the default function ,check with this example code snippet
def _default_partner(self):
return self.env['res.partner'].search([('name', '=', 'NAME OF THE PARTNER')], limit=1).id
partner_id = fields.Many2one('res.partner', string='Customer Name', default=_default_partner) Regards

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