Let customers save their garage and see what fits
Save structured year, make, and model details to the Shopify customer, then let the merchant theme use the selected vehicle for fitment and filtering.
Fitment starts with a vehicle the store can remember
An auto-parts customer should not have to choose the same year, make, model, and trim on every visit.
The store built a My Garage feature and saved each customer's vehicles as structured data on the Shopify customer. The theme can load the selected vehicle during later sessions and use the merchant's fitment data to guide the product experience.
FieldsRaven stored the garage. The merchant's catalog and theme logic still decide which parts fit each vehicle.
A garage that follows the customer across devices.
A FieldsRaven processing-record count, not a count of unique customers.
A second deployment used the same saved-vehicle pattern with its own merchant-defined shape.
16,000+ garage records in one implementation and 22,000+ in another. They are record counts, not unique customers. The garage can follow a customer across sessions and devices, while the merchant theme uses its own fitment source to decide what fits.
A vehicle list and a selected ID.
const cfg = window.FR_CUSTOM__CUSTOMER_VEHICLE_GARAGE;
const payload = {
selected_id: "vehicle-1042",
vehicles: [{ id: "vehicle-1042", year: "2022", make: "Volvo", model: "XC60" }]
};
await fetch("/apps/raven/create_metafield", {
method: "PUT",
headers: { "Content-Type": "application/json" },
body: JSON.stringify({
raven: {
raven_id: cfg.ravenId,
resource_id: cfg.resourceId,
raven_mac: cfg.ravenMac,
value: JSON.stringify(payload)
}
})
});Call this after a validated add, edit, remove, or select action. Defining the starter does not write the example garage on page load.
A JSON save replaces the full metafield value. Read the current garage, apply the change, and send the full updated object.
Get Code supplies the configuration and inline HMAC. The complete recipe covers labelled fields, stable IDs, the empty state, and selected-vehicle updates.