From eca110906c9551f2f5ebab0efe1461397e4646aa Mon Sep 17 00:00:00 2001
From: Matko Klaic <matko.klaic@gmail.com>
Date: Tue, 27 Feb 2018 21:05:36 +0100
Subject: [PATCH] Update README.md - custom event rerendering section -
 re-rendering criteria

---
 README.md | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/README.md b/README.md
index 9833a4c..f9dbe38 100644
--- a/README.md
+++ b/README.md
@@ -109,6 +109,12 @@ If you need to automatically re-render other event data, you can use `calendar-w
     <ui-calendar calendar-watch-event="extraEventSignature(event)" ... >
     // will now watch for price
 
+If you want to extend re-rendering criteria to watch multiple fields return concatenation of field values, for example:
+
+    $scope.extraEventSignature = function(event) {
+       returns "" + event.price + event.quantity;
+    }
+
 ### Adding new events issue
 
 When adding new events to the calendar they can disappear when switching months. To solve this add `stick: true` to the event object being added to the scope.