Robot navmesh script step 1

using UnityEngine;
using System.Collections;

public class Robot : MonoBehaviour {

    public Transform target;

    NavMeshAgent agent;
    Animation avatar;

    // Use this for initialization
    void Start () {

        agent = GetComponent<NavMeshAgent>();

        avatar = GetComponentInChildren<Animation>();

    }

    // Update is called once per frame
    void Update () {

        agent.SetDestination( target.position );

        if ( agent.velocity.magnitude > 0.1f )
        {
            avatar.CrossFade("run");
        } else {
            avatar.CrossFade("idle");
        }


    }
}