Each collection can be set up with nested navigation. This is useful if you have a large collection with multiple sub-groupings within. For example, you may have a collection titled Accessories using nested navigation you could then set up links to Wallets, Phone Cases, and Bags.
In this example clicking "Elastic" would navigate to a new page loading the "Elastic" collection page.
1
Create metafields definitions
Go to Settings > Metafields
Click Collections then click Add definition
Set Name to Subcollections
Set Namespace and key to my_fields.subcollections.
Click Select content type and choose Single line text
Click Save
2
Add data to Collection metafield
Open the collection you’d like to add a tag filtering too
Scroll to the bottom Metafields area
Enter a text value for each tag filter
There's no need to include "All" as that will be the first link within tag filtering
Each entry should match a tag that is present within your collection
This text must be formatted in a specific way. Please ensure each menu item is separated by “&” then ensure each title and url for each item is separated by a “,”.