For example, you need to change products in the following collections: Home page, T-shirts, and Shoes.
Follow the steps below in the Filters section:
Change Must match: from All filters... to Any filter...
Change the first filter to: collection is equal to Home page.
Click the + Add one more filter button.
Change the second filter to: collection is equal to T-shirts.
Click the + Add one more filter button.
Change the third filter to: collection is equal to Shoes.
Then make the necessary changes in the Edit, Scheduler, Notifications sections. Click the
Save button.
Keep in mind that if you have a lot of products (eg, more than 5000), it will take longer to complete this task, since all products will be scanned.