Adding an extra fields to an article is the most awaited feature of Joomla 3.7. This feature comes with the adding of custom fields functionality to articles. Custom fields can be used for many purposes and solutions like pricing, custom data showing to a certain area of the article. So far Joomla users had to use these things with separate plugins. With custom fields, these things will be much easier and development friendly.
This short tutorial will show you how to create your first custom field for an article and display it on the front with a custom field.