The information you should know to understand what i want to do:
- There was used ui-element (multi select ) in vue. 
- This website's features will use on monoblock with touchscreen (no keyboards ). And user's using windows virtual keyboard to fill up the some forms 
- There are some reasons i don't want use windows virtual keyboard. And want to create custom keyboard( already created and styled with css) enter image description here 
What i came across with:
- when i try to set value of input enter image description here 
- when i type some character from my keyboard enter image description here. (this is what i really want to do with my custom keyboard) 
My Question
- How can i simulate keypress event when i click some character from my custom keyboard?
