I wanna get how many variables i have in a vector3 array.

This gives me an error.

using UnityEngine;
using System.Collections.Generic;

public class NewBehaviourScript : MonoBehaviour {

    public List<Vector3> pos = new List<Vector3>();

    void OnDrawGizmos () {
        Gizmos.color = Color.blue;
        for (int i =0; i < pos.Length; i++){
            Gizmos.DrawLine (pos*, pos[i+1]);*
 *}*
 *}*
*}*
*```*

Try pos.Count

http://msdn.microsoft.com/en-us/library/a7f69ad7.aspx