From ea803aa4e3088522855d3695166b6489a273382f Mon Sep 17 00:00:00 2001
From: David Heinemeier Hansson <david@loudthinking.com>
Date: Sun, 10 Apr 2005 17:47:04 +0000
Subject: Doc changes

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@1141 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
---
 activerecord/lib/active_record/observer.rb | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'activerecord')

diff --git a/activerecord/lib/active_record/observer.rb b/activerecord/lib/active_record/observer.rb
index 698b3ff412..74f76efe3f 100644
--- a/activerecord/lib/active_record/observer.rb
+++ b/activerecord/lib/active_record/observer.rb
@@ -44,6 +44,11 @@ module ActiveRecord
   # == Available callback methods
   #
   # The observer can implement callback methods for each of the methods described in the Callbacks module.
+  #
+  # == Triggering Observers
+  # 
+  # In order to activate an observer, you need to call Observer.instance. In Rails, this can be done in controllers
+  # using the short-hand of for example observer :comment_observer.
   class Observer
     include Singleton
 
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