Hi @Law , we were facing the same issue and solved it bei simply creating custom audience ids in Facebook and using Data Layer Enrichment in AudienceStream. In the next step I used the Audience from AS in the Datalayer as Load Rule for Special Tags I created in Tealium iQ for the Custom Audiences in Facebook. So if a user joins the AS-Audience the loadrule for the special tag will become true and the user gets to load the newly created facebook pixel with the custom audience id from Facebook. It's also not a perfect solution, as you can only use audiences that will apply instantly and not audiences, that will apply at the end of a session, as these wouldn't be able to trigger the Facebook Tag, but at least its a workaround for now. Hope this helps
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