# Key features

Here are the key features of the Flagship SDKs:

* [Starting and Configuring the SDK](/server-side/sdks/key-features/starting-and-configuring-the-sdk.md)
* [Creating a Visitor](/server-side/sdks/key-features/creating-a-visitor.md)
* [Updating the Visitor Context](/server-side/sdks/key-features/updating-the-visitor-context.md)
* [Managing Visitor Consent](/server-side/sdks/key-features/managing-visitor-consent.md)
* [Retrieving Flags](/server-side/sdks/key-features/retrieving-flags.md)
* [Tracking Data](/server-side/sdks/key-features/tracking-data.md)
* [Maintaining Experience Continuity](/server-side/sdks/key-features/maintaining-experience-continuity.md)
* [Managing Cache](/server-side/sdks/key-features/managing-cache.md)
* [Qa assistant tool](/server-side/sdks/key-features/qa-assistant.md)
* [Emotion AI](/server-side/sdks/key-features/emotion-ai.md)
* [shared action tracking](/server-side/sdks/key-features/shared-action-tracking.md)


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