How do you mean? If you have the latest version of iFly, go into Map Mode, select 3D EFIS you will get a split screen with half the screen being a 3D map (which you can also click on and make fullscreen). If you have a source for traffic information (e.g. ADS-B In), and if there is traffic out there, and if your traffic criteria is met (see your own settings), it will display the traffic on both maps.
BTW: is there any other traffic source that iFly can use besides ADS-B In?
On the EFIS map each aircraft will show up as somewhat elongated, 3D pyramidal-shaped craft, with a white surface at the tail end, and a red side and green side. (In other words, you can make out the orientation of each aircraft, both by where the "pointy end" is pointed and also by the colors.)