Our WooCommerce Multi Inventory Plugin has built in shortcodes you can use:
Change Inventory Shortcode
[woocommerce_multi_inventory_change_inventory select_store_text="Select Store" your_store_text="Your Store: "]
This shortcode can be used in any header, widget or content of your WordPress page to show a link with the current user selected inventory location. When clicked the customer can change the inventory by a popup, that will appear.
Show Inventories on Product Page
Use this for custom built product pages like with Elementor or similar.