Basic function
Feed :
The address of the rss feed to use as the source.
Number :
The number of entries to show from the feed
Template :
The template is what decides which content to use from the feed source
It takes the form of a html code with special variables to extract various values from the xml code used in creating rss
The standard default template only uses .link. and .title.
here is the output for a standard function showing 3 items from the feed at
http://feeds.bbci.co.uk/news/world/rss.xml