How to see this Raycast in Scene window?

Went through the manual online but can’t seem to make it imitate or overlap my raycast so I can see it and debug it.

function FixedUpdate(){
	if(Physics.Raycast(transform.position, -Vector3.right, 0.5))

I believe it’s similar to:

function Update(){
	Debug.DrawLine(?, ?, ?)

… and instead of "?"s I’m not sure what to put to copy the other line of code above. Any help will be great.

Debug.DrawLine(transform.position, transform.position - Vector3.right,;

should do it.