Not currently I’m afraid due to the way spatial queries work. That could make a good roblox feature request, for instance WorldRoot:GetPartsFullyInPart(PartInstance part, OverlapParams overlapParams)
It’s worth noting playerAdded and playerExited are events which you connect to instead of calling, e.g. zone.playerAdded:Connect(func)
. It’d be best to share a link to an uncopylocked place if you’re still having troubles.