RSS feeds with php and symfony more help needed please

i read through the below:

https://stackoverflow.com/questions/4276162/creating-a-rss-feed-in-symfonyhttp://www.ibm.com/developerworks/library/x-phprss/http://www.carronmedia.com/create-an-rss-feed-with-php/

i added in factories.yml:

all:  request:  param:  formats:    rss: application/rss+xml

i added in routing.yml:

rss_every_content:   url:    /rss/all   param: { module: content, action: index, sf_format: rss }   requirements:   sf_method: [get]  

i added in /rainbow_code/phoenix/plugins/rainbowCodePlugin/modules/profile/templates

<link rel="alternate" type="application/rss+xml" href="http://www.rainbowcode.net/index.php/profile/home" title="Subscribe to RSS" />

then the code in indexSuccess.xml.php that i found on Creating a rss feed in Symfony, where do i put this? in which folder?

where do i go from here please?i also installed the sfFeed2Plugin and sfWebBrowserPlugin but dont know how tho apply/use these

thanks