user_resource_denied

{
    "token": "XXYYZZ",
    "team_id": "TXXXXXXXX",
    "api_app_id": "AXXXXXXXXX",
    "event": {
        "type": "user_resource_denied",
        "user": "WXXXXXXXX",
        "scopes": [
            "reminders:write:user",
            "reminders:read:user"
        ],
        "trigger_id": "27082968880.6048553856.5eb9c671f75c636135fdb6bb9e87b606"
    },
    "type": "event_callback",
    "authed_teams": [],
    "event_id": "EvXXXXXXXX",
    "event_time": 1234567890
}

We send this event when a user declines to grant your workspace app the permissions you recently requested with apps.permissions.users.request.