Aka the creeping inch plant. The Callisia repens is related to tradescantia, but has slightly more succulent-like foliage. The green variety, currently available, features purple undersides.
Pinch back to keep compact, or let it free to trail.
If you notice your plant is getting too leggy(long spaces between the leaves and the stems, that usually indicates more light is needed)
Water: Water when a few inches of soil has dried
Light: Bright indirect, a couple hours of direct is ok
Temperature: 18°C to 29°C