Adds a new [ZoneRate](ctp:api:type:ZoneRate) entry to the `zoneRates` array with the specified [Zone](ctp:api:type:Zone) and an empty `shippingRates` array. After adding the Zone, you can add [ShippingRates](ctp:api:type:ShippingRate) for this Zone using the [Add ShippingRate](ctp:api:type:ShippingMethodAddShippingRateAction) update action.
Value to add to
zoneRates.