public class ActionSay : ActionSpeech
{
    public ActionSay()
    {
        this.isDisplayed = true;
        category = ActionCategory.Custom;
        title = "Say";
        description = "Say by Manifest.CharacterType";
    }

    public Manifest.CharacterType manifestSpeaker;
    List<ActionParameter> theParameters;

#if UNITY_EDITOR
    public override void ShowGUI(List<ActionParameter> parameters)
    {
        manifestSpeaker = (Manifest.CharacterType)EditorGUILayout.EnumPopup("Speaker:", manifestSpeaker);

        EditorGUILayout.BeginHorizontal();
        EditorGUILayout.LabelField("Line text:", GUILayout.Width(65f));
        EditorStyles.textField.wordWrap = true;
        messageText = EditorGUILayout.TextArea(messageText, GUILayout.MaxWidth(400f));
        EditorGUILayout.EndHorizontal();

        theParameters = parameters;

        AfterRunningOption();
    }
#endif

    override public float Run()
    {
        speaker = CharactersManager.I.FindCharacterByType(manifestSpeaker); // returns a Char
        Debug.Log(speaker.GetName(0)); //  this displays the Char name correctly, so it's found it.
        Debug.Log("MESSAGE TEXT: " + messageText); // this displays the message text correctly
        base.Run();

        return -1f; // if I return 0 here, any 2nd line in messageText is ignored. At -1 the Debug info is displayed 100x
    }

    override public void AssignValues(List<ActionParameter> parameters)
    {
        base.AssignValues(parameters);
    }

    override public void AssignParentList(ActionList actionList)
    {
        base.AssignParentList(actionList);
    }
}