> For the complete documentation index, see [llms.txt](https://docs.yaycommerce.com/yaypricing/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.yaycommerce.com/yaypricing/features/product-collections.md).
# Product Collections
The product collection feature helps you create your own product group flexibly, matching your promotion campaign.
Example: I just created a product group that will have a 10% discount for a campaign this month.
Product collection setting
Now, I can easily choose that product group in the rule to apply my promotion campaign.
