How do i map 2 controllers to traktor ?

How do i map 2 controllers to traktor ?

I have a vci - 300 and a uc 33 - e and wanna play about with traktor . I have two seperate mappings how do i use both and use the uc 33 - e for volume faders and effects etc …
And vci for on/off and play/pause buttons etc …

??

Bit of a noob with traktor :smiley:

thanx man