NavMeshObstacle.velocity

Description

Velocity at which the obstacle moves around the NavMesh.

using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour {
    public AI.NavMeshObstacle obs;
    public Transform player;
    public float moveSpeed;
    void Start() {
        obs = GetComponent<AI.NavMeshObstacle>();
    }
    void Update() {
        Vector3 targetPoint = player.TransformPoint(Vector3.forward * 5.0F);
        Vector3 heading = player.position - transform.position.normalized;
        obs.velocity = heading * moveSpeed;
    }
}