Give support a reference
Show the ID of the variation a shopper picks.
Each example below is the actual published output of the Variation ID reference widget for a sample product, Refined linseed oil, with variations 250 ml (ID 2198), 500 ml (2199) and 1000 ml (2200). On a product page the ID changes to the size the shopper picks.
A fixed variation, 500 ml, with the default prefix: Variation ID: 2199.