How to simulate buttons by using keyboard?

Description

I’m going to use the keyboard to simulate buttons on device, but i don’t know how.

What MCU/Processor/Board and compiler are you using?

Simulator on CodeBlocks

What LVGL version are you using?

8.0

What do you want to achieve?

Use keyboard to input simulate buttons

What have you tried so far?

I checked the official document, and it says to use group. But I don’t know what relationship this has with keyboard input, and the description is not very detailed