// Move the center of the capsule up.
    var controller : CharacterController;
    controller = GetComponent(CharacterController);
    controller.center = Vector3 (0, 1, 0);

using UnityEngine;
using System.Collections;

public class example : MonoBehaviour {
    public CharacterController controller;
    void Example() {
        controller = GetComponent<CharacterController>();
        controller.center = new Vector3(0, 1, 0);
    }
}

import UnityEngine
import System.Collections

class example(MonoBehaviour):

    public controller as CharacterController

    def Example():
        controller = GetComponent[of CharacterController]()
        controller.center = Vector3(0, 1, 0)