How to add Option Account Bound for Barter Shop

[Takuyakii]

Good day, how can i make an account bound / character bound on Barter Shop?
for example all items in barter shop will be Account bounded.

i want to have an option to be Account/Char Bound.

Thank you 

[mrfizi]

I think you can only do it on trade restrictions in item_db :

https://github.com/rathena/rathena/blob/master/db/item_db.yml#L71-L81