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This tutorial series, Joomla 3 component development, is currently in progress...

So far in this tutorial series for creating a component in Joomla 3, we've created views and we've created formats. The next feature of components we're going to review is tasks.

What is a task?

A task is, well... something that can be done. The usage of "tasks" when developing components in Joomla is what it sounds like.

display() is the default task

If you do not specify a task, the default task display() will be executed. The screenshot below demonstrates this in action. When we echo the task to the screen, it is blank (meaning it is not set). Because there is no task set, the default() task / function is then executed.

How to add a new task

Adding a new task to your component is actually quite easy. Here are the steps.

  1. Decide on a task name

    In our testing, we are going to create a task named shout.

  2. Add a function named after your task within your component's controller class

    Since we're creating a shout task, we need to create a function named shout() and add it to our controller's class. Below is our controller.php file, with the new code we added to it highlighted in red.

    // No direct access to this file
    defined('_JEXEC') or die('Restricted access');
    // import Joomla controller library
     * Hello World Component Controller
    class HelloWorldController extends JControllerLegacy
      function shout()
        echo "<p>THIS IS ME SHOUTING!</p>";

Testing your new task

We're testing our new task by calling it in the URL. To do this, we're passing the task variable via the URL and setting it to shout, as in:

In the screenshot below, you can see our new task in action:

Continued Education in Course How to create a Joomla 3 Component
You are viewing Section 6: How to add a New Task to your Joomla 3 Component
Section 5: How to add a New Format to your Joomla 3 Component
Section 7: Creating a Menu Item for your Joomla 3 Component

Joomla Community Google+ Hangout #3

June 3rd, 2014

Thank you @RustyJoomla for letting me speak on the Joomla Community Google+ Hangout!

Click here to watch!

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Related Questions

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n/a Points
2015-03-11 10:03 am

Many thanks !

And how to do the same on the site part of the component ?

How to see it when we affect the type of link on the menu ?

many thanks for all.


35,728 Points
2015-03-12 11:08 am
Hello Pascal,

Your first question is a little confusing. Most components have two main parts: an administrator part and a site part. The site part is what is used to render pages of your site when they are requested by your site visitors during normal site operation. The administrator part provides an interface to configure and manage different aspects of the component and is accessible through the Joomla! administrator application.

So, when you render a page, it's already showing the SIte part of the component. Can you be more specific in what you're trying to do? Please provide more details and we can try to answer the question.

Arnel C.
n/a Points
2016-03-25 5:55 am


i need to add featured type in my fof component , how to use it?

10,077 Points
2016-03-25 9:32 am
Hello Mathesh,

Can you please elaborate on what you are trying to do?

Best Regards,
TJ Edens

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