How do I use Field to Field Sync addon or what are the dependencies for this?

Field To Field Syncs is an add-on to our HubSpot WooCommerce Integration Pro plugin that allows you to map HubSpot contact properties with WordPress user fields. Therefore, make sure that you have installed the aforementioned integration plugin and are ready with its setup.

For more details on installation and configuration, you can check the HubSpot Field to Field Sync Documentation.