How to modify Joomla rss output format=feed&type=rss

[pherfinion]

Hello

i 've the following problem. How can i manage it to reformat th Joomla rss output

http://example.com/index.php?format=feed&type=rss

I, want to get some new infos like Pic and Logos. But it seemed that the feed is'nt a part of com_content ? Or where i find the default.php to modify the Output.

GTX

Pherfinion

[pherfinion]

I've found a possibility

https://github.com/betweenbrain/Joomla-Feed-Modifier/blob/develop/feedmodifier.php

but i don't now if it's the ony one.