How to set quantity modifiers on Zonal?

The LOKE platform supports quantity modifiers.  To set this up in zonal you need to amend the the limit on choices.

1. In Aztec, go into Choice Group in Product Modelling
2. Enable Multi-Select with the appropriate limits, so min 0 item and max 2 items means that they customer doesn't need to select any of the choices if they don't but can select a maximum of 2 items out of the choice group.
3. Ensure all change are saved