Fetching Values From Master
To pull a value of a link on selection, use the
add_fetch(link_fieldname, source_fieldname, target_fieldname)
Let' say you have created a Custom Field VAT ID (
vat_id) in Customer and Sales Invoice and want to make sure that this value gets updated every time you select a Customer in a Sales Invoice.
To configure this, in the Sales Invoice Custom Script, you can add this line: