how to start visual studio code from terminal macos code example

Example 1: open visual studio code from terminal mac

#Add Bash alias in .bash_profile ?
$ alias code="open -a /Applications/Visual\ Studio\ Code.app"

#Open Visual Studio Code by command
$ code .

Example 2: install code command on mac

Open VCode
press CMD + SHIFT + P
type 'shell command' 
select 'Install code command in path'
navigate to any project from the terminal and type 'code .'