A JomSocial plugin allows developer to extends JS and provide new functionality easily. A plugin is essentially a normal Joomla! plugin that can be installed, uninstall and manage just like a normal Joomla! plugin.

JomSocial provide a few system hooks, or trigger point which your plugin will override to add new functionality to JomSocial

A plugin can either be

1. system plugin
2. profile plugin

System Plugin

System plugin allows you to perform various system wide task.

Profile Plugin

When you create a profile plugin, a site members will be able to select your plugin to be displayed in their profile page. Your plugin will be able to draw on user profile page and will have access to user various parameters.