Hi,

I am pretty new creating my custom modules. What I want to do is to create a 'custom_id' for each user based on the input of other of the fields. 

So I have a readonly field like this

'IdNumber': fields.char('Id Number', readonly=True),

And then I have

'CountryID': fields.char('Country ID', required=True),

'father_name': fields.char('Last Name', required=True),

What I want to do is to generate the IdNumber when the user inputs the data for CountryId and father_name. For example CountryID+father_name

I simply need a tip in the right direction and I will try to figure it out from there. I guess I have to use a fields.function for my IdNumber but I would like some clarification.

Thanks!