ayon-core/openpype/settings/defaults/project_settings/slack.json

{
    "token": "",
    "publish": {
        "CollectSlackFamilies": {
            "enabled": true,
            "optional": true,
            "profiles": [
                {
                    "families": [],
                    "hosts": [],
                    "task_types": [],
                    "tasks": [],
                    "channel_messages": []
                }
            ]
        }
    }
}