Need help with customfields

[viking]

Hi I need some help to get started with my server addon

I have created a product with 2 custom fields

I can see the 2 fields been filled out and

but then i call $service_custom_field_username.value;

then value is emty

but then customfield is correct in the database

 

any help

 

then only thing I want is the 2 fields filled out then the product

goes through the cart and they will be written to a text file

 

best regards