From e28d5a4efb889a2b19752da88a4cca6396842a15 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jos=C3=A9=20Gomes=20J=C3=BAnior?= <zegomesjf@gmail.com>
Date: Thu, 29 Nov 2018 11:02:10 -0200
Subject: [PATCH] Adds Class Invoker documentation on README

---
 README.md | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/README.md b/README.md
index 1a33b34..ca881f6 100644
--- a/README.md
+++ b/README.md
@@ -385,6 +385,21 @@ If you prefer a more Ruby-like guard syntax, you can use `if` and `unless` as we
   end
 ```
 
+You can invoke a Class instead a method since this Class responds to `call` 
+
+```ruby
+    event :sleep do
+      transitions :from => :running, :to => :sleeping, :guards => Dog
+    end
+```
+```ruby
+  class Dog
+    def call
+      cleaning_needed? && walked?
+    end
+    ...
+  end
+```
 
 ### Transitions