diff --git a/source/Ox.UI/js/List/Ox.List.js b/source/Ox.UI/js/List/Ox.List.js
index 8ea8103a..52df9392 100644
--- a/source/Ox.UI/js/List/Ox.List.js
+++ b/source/Ox.UI/js/List/Ox.List.js
@@ -1453,6 +1453,7 @@ Ox.List = function(options, self) {
     @*/
     that.closePreview = function() {
         self.preview = false;
+        that.triggerEvent('closepreview');
         return that;
     };
 
@@ -1465,6 +1466,16 @@ Ox.List = function(options, self) {
         return that;
     };
 
+    /*@
+    openPreview <f> to be called when preview is opened externally
+    () -> <o> the list
+    @*/
+    that.openPreview = function() {
+        self.preview = true;
+        that.triggerEvent('openpreview', {ids: self.options.selected});
+        return that;
+    };
+
     /*@
     paste <f> paste data
         (data) -> <o> the list