Introduction to Joomla! custom fields

Joomla! custom fields were one of the most exciting features added to Joomla! 3.

This feature allows you to add more fields to any data entity in Joomla!. The most common use case here is to add more fields to a Joomla! article, but this feature is not limited to Joomla! articles. In fact, you can find custom fields for components such as com_users (responsible for managing Joomla! users) and com_contact (adding a contact directory to your site).

Using Joomla! custom fields, website administrators can adapt Joomla! without any coding knowledge required. Implementing custom fields in our extension will provide limitless possibilities to the users of our extension.

The first thing that came to mind when I started working with Joomla! custom fields was that I could use any of the Joomla! Standard Form Fields we saw in the previous chapter as custom fields. But to have a custom field type, you need to have a specific plugin for it. In any...