To enable your users set their own cookie preferences, you must use a third-party cookie consent service (CCS) to apply cookie consent options on your Help Center. To insert code in your theme, you must be on a Guide Professional or Enterprise plan.
If you are using a theme from the Theme Marketplace, then it must have a Developer license. For more information about theming, see: Announcing Guide Theme Marketplace and Using Guide themes from the Zendesk Marketplace.
Note: If end users choose to block cookies then they may have a degraded user experience.
To set up a third party cookie consent service