We previously introduced a method for tracing and displaying the menu structure if you want to have a submenu on a Shopify collection page (https://store-dojo.com/products/2023-06-01), but the advantage of preparing a template for each collection is that it makes it easier to set styles to match the collection.
Example of setting to display a submenu on the collection page of the theme "Dawn"

[Setting method 1] Create a new menu for the submenu

[Setting Method 2] Duplicate the default collection template to create a submenu display, customize it, add a Liquid section, and insert the code to display the menu.

[Setting Method 3] Duplicate the theme template of the collection you want to display the submenu for and set it as

