> ## Documentation Index
> Fetch the complete documentation index at: https://developers.redo.com/llms.txt
> Use this file to discover all available pages before exploring further.

# CheckoutDiscountRuleCollectionsCondition

> Matches when the right number of cart products are in at least one of the listed collections.

**match** `[CheckoutDiscountRuleMatch!](/docs/api-reference/v3/reference/checkout/checkout-discount-rule-match)` *required*

How many cart products must be in at least one listed collection.

**shopifyCollectionIds** `[String!]!` *required*

Shopify collection GIDs, e.g. "gid://shopify/Collection/123".


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