Warning! I am a bit new here. I've been playing with customizing a sales order module that adds my custom fields to the form view of the sale.order model.

One of the main custom fields is a custom ID number for each company(customer). I have already added the ID field to the res.partner modeI & form view of a new customer. I would like this ID field on the sale.order model and I would like the Company(customer) info to be populated in the sale order based on the ID of the import. Much like the partner_id field in sale.order which populates the address automatically when a customer is selected.

Do I need to create a custom view? I really just need some direction, I feel like I'm on the right path. Any help would be much appreciated.

Thanks!