# Functions

Discover the server-side functions available in the Shopify Hydrogen SDK.

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Use the summary below to quickly jump to a specific topic:

- [fetchContent](/reference/sdk/hydrogen/api/functions/fetch-content): Learn how to fetch slot content on the server.
- [evaluate](/reference/sdk/hydrogen/api/functions/evaluate): Learn how to evaluate a CQL query on the server.
- [identify](/reference/sdk/hydrogen/api/functions/identify): Learn how to identify the current visitor on the server.
- [anonymize](/reference/sdk/hydrogen/api/functions/anonymize): Learn how to anonymize the current visitor on the server.