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added note with example for using flash in redirection

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1 parent 23f71c4 commit f69784289b6efd0eabb674d6467b2cd0c0a4af07 Rajinder Yadav committed
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  1. +7 −0 railties/guides/source/action_controller_overview.textile
7 railties/guides/source/action_controller_overview.textile
@@ -261,6 +261,13 @@ class LoginsController < ApplicationController
+Note it is also possible to assign a flash message as part of the redirection.
+ redirect_to root_url, :notice => "You have successfully logged out"
The +destroy+ action redirects to the application's +root_url+, where the message will be displayed. Note that it's entirely up to the next action to decide what, if anything, it will do with what the previous action put in the flash. It's conventional to display eventual errors or notices from the flash in the application's layout:

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