When configuring the Confluence Gatelet in CloudSOC, it does not appear as in the CloudSOC CASB Gateway (CloudSWG/WSS) policy list.
Confluence is managed as part of the broader Atlassian Suite gatelet within the CloudSWG policy interface. It does not appear as a standalone "Confluence" entry in the available gatelet list, regardless of its status in the CloudSOC Store.
To apply a selective inspection policy to Confluence traffic, you must select the parent suite application.
By enabling the Atlassian Suite Gatelet in your policy, the Gateway will correctly identify and steer traffic for Confluence (along with other bundled Atlassian services) to the CASB Gateway for inspection.