DDJ-SP-1 and Rekordbox 6

Hi there,

I purchased the DDJ-SP1 and i am trying to connect it to rekordbox 6 (free version) which is not happening.

I have a Mac with the latest iOS and rekordbox 6 (free version) in performance mode. I connect the DDJ-SP1 via the USB and it powers. However, nothing happens in rekordbox. I don't have any other device connected like a mixer or a cdj, or other, because i don't own one

Why is rekordbox not recognizing it? Do i need a midi mapping file for the DDJ-SP1 to work in recordbox 6? Any help is appeciated. Many thanks.