Random location when clicked on

Assume I have a character that is game ready with animations.
I am wondering how to make this character walk to random locations when clicked on. Locations predetermined by markers.

Example: You have a room with “markers” in each corner.
Every time the character is clicked on he will walk to one of four corners inside the room at random.

Any ideas ?

May be something like this:

GameObject[] markers;

void Start()
   markers = GameObject.FindGameObjectsWithTag("marker");
   //requires you to tag every marker as "marker"

void OnMouseDown() // Requires a collider on your character
   //if you use NavMesh
   GetComponent<NavMeshAgent>().destination = markers[Random.Range(0, markers.Length)].transform.position;

Of course it depends on which character movement system you use.