The RSS API is a core system in Moodle to allow you to create secure RSS feeds of data in your module.
These RSS feeds can then be syndicated by other websites or aggregated by a feed reader.
Any Moodle module can generate RSS feeds to allow secure access to it's data.
The primary functions for the RSS API is located in lib/rsslib.php
Additional functions and usage examples can be found in the following files:
Below you will find examples on how to use the RSS functions within your own modules.
Creating an RSS feed
Caching an RSS feed
Retrieving a cached RSS feed