public override void OnInspectorGUI()
 {
     DrawDefaultInspector();
     GUILayout.Space(20);
     GUILayout.BeginHorizontal();
     if (GUILayout.Button("Chose Build Folder"))
     {
         string buildFolderPath = EditorUtility.SaveFolderPanel("Select Build Folder", "", "");
         foreach (var item in builders)
         {
             item.buildFolderPath = buildFolderPath;
         }
     }
     if (GUILayout.Button("Build"))
     {
         EditorApplication.delayCall += () => BuildGroup.Build(builders);
     }
     GUILayout.EndHorizontal();
 }
 private void OnEnable()
 {
     b = (BuildGroup)target;
 }