TestDialog.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class TestDialog : MonoBehaviour {

    DialogSystem dialog;
    // Use this for initialization
    void Start () {
        dialog = DialogSystem.instance;
    }

    public string[] s = new string[]
    {
        "vi tester:Hele gruppen",
        "gdsfgdfhm",
        "smodlhdt"
    };

    int index = 0;

    // Update is called once per frame
    void Update () {
        if (Input.GetKeyDown(KeyCode.Space))
        {
            if(!dialog.isSpeaking || dialog.isWaitingForUserInput)
            {
                if(index >=s.Length)
                {
                    return;
                }
                Say(s[index]);
                index++;
            }
        }
    }
    void Say (string s)
    {
        string[] parts = s.Split(':');
        string speech = parts[0];
        string speaker = (parts.Length >= 2) ? parts[1] : "";

        dialog.Say(speech, speaker);
    }


}