Fetching Values From Master

To pull a value of a link on selection, use the add_fetch method.

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:

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