Our USB-C to Displayport Cable supports a bi-directional connection.
However, for bi-directional support, please check directly with the monitor manufacturer to ensure the monitor accepts a DisplayPort signal over USB-C.
While not all USB-C monitors support DisplayPort to USB-C signals, there is now a growing number of certified displays that do support this.
Here is a list of some of those:
More details regarding DisplayPort to USB-C support:
USB-C monitors need to properly support "pin assignment E" in order to support DisplayPort to USB-C signals.