Typescript variable - Not showing in intellisense at HTML Page

Hi,

Typescript declared variable is not showing in intellisense at HTML Page. For Ex.: I have created variable in TS file

userName: string ="Test";

and While try to use at HTML page. I dont want write complate variable name but i want to type "us" and press Ctrl+Space Tab then complate variable name "userName" displaying.

I cant do that right now, Please help.

I am beginer in Angular and using (VS Code)