If you have (say) Heading 1 in the body of the document, containing Chapter 1 etc then you can get the number from the Chapter by adding a number switch to your Styleref field in the footer

e.g.
{ STYLEREF "Heading 1" \# "0" }.{ SECTION }.{ PAGE }
would give you 1.1.1 etc.

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Graham Mayor - MS MVP (Word) (2002-2019)
Visit my web site for more programming tips and ready made processes www.gmayor.com