I have this model.
class A(models.Model):
list = fields.One2many('B',)
@api.onchange('field')
data = {}
a.list.new(data)
I now change a field, how should I build Class B this model, Class B is a new model
class B(models.Model):
aaa = fields.One2many('C',)
class C(models.Model):
ccc = fields.many2one('product.product')
hello! I would like to help but i dont clearly understand your problem