How to set right-click function keys for Huawei mobile phones?

There are options in the setting menu, and the specific modification method is as follows:

1. Light and unlock the phone screen, and click "Settings" that comes with the phone.

2. Drop down and click "Smart Assistant"

3. Locate and click the "Navigation Bar" below.

4. Just find the specific combination method in "Please select the virtual navigation bar combination".