I want to add a field after Barcode.
So, i create a field :
Field Name :x_millesime
Model : Product
Field Label : Millesime
Field Help
Field Type : integer
After this, i duplicate product.product.form
View Name : vin product.product.form
View Type : Form
Object : product.product
Inherited View : product.product.form
architecture :
<?xml version="1.0"?>
<xpath expr="//field[@name='barcode']" position="after">
<field name="x_millesime" />
</xpath>
But the field doesn't appear in inventory->product ....:/
which version ? be aware that there are several form view for product. (product, product simplified, ...).
And what do you have duplicate... you just need to find the right view, and in the that 'inherited view' click en create to add an new inherited view...