How can I add a field in sale.order.line

Question

I write a field in product.py:
'english_name':fields.char('English Name', size=128, select=True),
and I want to add this field in the sale.order.line.
If I should write a realted ? I try to write like this in sale.py:
'product_eng_id': fields.related('english_name','product_eng_id', type = "many2one", relation = "product.product" , string = 'english name',store=False),
But it also show the "name" instead of "english_name"..I don't know what's wrong,maybe the relation is not product.product?..My

Sudhir Arya (ERP Harbor Consulting Services) · Accepted Answer

Try this:

'product_eng_name': fields.related('product_eng_id', 'english_name', type='char', string='Product English Name'),

Omal Bastin · Answer

i think you have added the field 'english_name' in the model 'product.product' and want to add related field in 'sale.order.line'

In the 'sale.order.line' model add

'product_eng_name':fields.related('product_id', 'english_name', type='char', size=64,string='Product English Name'),

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