When defining a one2many field on a wizard (TransientModel), you need to specify the column of the related model that points to the wizard.
How should I do this in case of a orm.TransientModel?
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https://www.odoo.com/forum/help-1/question/insert-one2many-in-wizard-transientmodel-104377
Look at this answer.
Just like every other model.
See the example of wizard.select.move.template and wizard.select.move.template.line
Thanks Lorenzo. But don't you think this foreign key on the 'other' object is strange? What happens if the wizard instance record is removed? Then this foreign key 'template_id' is invalid?
It depends on what referential action you set as 'ondelete'
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