> For the complete documentation index, see [llms.txt](https://docs.commercelayer.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.commercelayer.io/core-api-reference/sku_list_promotion_rules.md).

# SKU list promotion rules

The SKU list promotion rule object and the allowed CRUD operations on the related resource endpoint

Commerce Layer provides a promotional engine built on top of two main resources: [promotions](/core-api-reference/promotions.md) and [promotion rules](/core-api-reference/promotion_rules.md).

SKU list promotions rules are used to trigger the associated promotion only if an order contains any (default) or all (set the `all_skus` attribute to `true`) of the SKUs within the specified list. Optionally, is possible to specify a `min_quantity`, which will overwrite previous rules and will be honored by checking the order's line item quantities and the matching SKU list item.

{% hint style="info" %}
In order for an SKU list promotion rule to apply to [bundles](/core-api-reference/bundles.md), the two resources must share the same [SKU list](/core-api-reference/sku_lists.md) (there is no SKUs partial matching). The `min_quantity` option will be checked against the quantity of the line item associated with the specific bundle.
{% endhint %}


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