Add sub-collections to filter option

The smart product filter & search app provides a feature to add sub-collections to the collection filter option. It will allow you to create a collection tree as in the below screenshot.

📝 Note: This feature only works with Filter Options whose Data source is Collection!

✅ Step 1: Add the Collection filter option

1. Open the Smart Product Filter & Search app from your Shopify admin.

2. Go to the Filters section (in the left-hand menu).

3. Open the filter sidebar you want to edit (e.g., “Collection Page” sidebar).

4. Click + Add filter option.

5. Choose Collection as the Source.

6. Turn ON the checkbox that says Build a collection tree with multi-level sub-collections.

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🧩 Step 2: Set Up Parent-Child Collection Structure

• To define a main collection (parent) and sub-collections (children), Drag and drop collection values to the expected position to build a collection tree.

• Remove any collections by clicking the X icon.

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💾 Step 3: Save and Preview

Once you've added the Collection filter option, click Save. Go to your storefront and check the filter sidebar. You should now see collections displayed in a tree format (with sub-collections nested under parent ones).

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💬 Need Help?

If you need support, feel free to email us at: 📩 [email protected]