The plugin also comes with a pre-created set of functions that you can use to for example round a number or format a date.

RNF_Split

RNF_Split($separator,$text)

Used to separate a text by a separator, for example, this code:

Would separate the text “Orange,Apple” by its coma and would create the array [“Orange”,”Apple”]. You can ...

If you want to use a calculation or combine multiple fields you can use formulas, to do so select a pdf field, and in the “Mapped To” section select Formula

Adding fields to a formula

To add a field in your formula click on “Add tag to formula” and select the field that ...