I upvote for all your questions and answer, you have now enough Karma to comment normally, please do not use link you receive by mail, it display part of my email address, thank you, for your question, did you try to create a new attribute instead to change the type ? I believe that the fact to change type works not very well ...

Thank you thank you thank you i'm so appreciated you just save a lot of my time sharing your knowledge with me. Thank You Cyril. By the way, based on example yu sent me yesterday i've built what i wanted ;) and now i have a field having create & edit option ;) which is great but if would you tell me how/what should i do i don't fully understand how can i do it. Like I said now if a'm using many2one field it gives me not Value/Name but (product.template(position,)) which is really ... bad :)

Hi, what is your odoo version ? Have you a test server ? Try to delete all record attributes you set in product and delete all records in 3 menu attibutes group options, and created a new one with field many2one ?

My odoo 8.0, got my own server so i can do whatever I want no probs at all. Would you explain it to me a little bit ? like I said I'm a newbie so many things are completely magical to me ;) I just started learning how it works ;)

I've tried these modules but none of them work - can't install it :( all the time something is missing so I gave up.

I believe I didn't all understood, since you intall modules, now for all fields many2one you have not Value/Name but (product.template(position,)) . You shoiud uninstall modules or cancel installation, and let me know the result (refresh your browser too)

Link below, I tried it but it doesn't work i mean base_custom_attributes and product_custom_attributes. I though that you talking about these modules ? Let me explain, I've built another module, it adds a lot of fields into the product. Some of these fields are many2one for example: 'istock_com0a':fields.many2one('product.template', 'Processor type', required=False), It works fine until i want one of these fields to be used by 'Merge" function. I'm pretty sure it have to be done other way. But how is still a mystery for me :) So if I already have some fields and i would like to built name based on these fields (all many2one) how should i do it ? If it is selection there is no problem it works excellent ;) Sorry to bother you that much you're my only hope/help ;)

To be perfectly clear, i don't fully understand how it work to build correctly but i'm analising what you gave me and now i know a little bit more ;)

Meantime I've built a list of brands which is working fine ;) I can add name to the list and use it whenever i want :)

Then it's ok now ?