Joomla Order Form Extension: How to display Joomla modules conditionally using MetaMod – Joomla Tutorials. How to display Joomla modules conditionally using MetaMod • MetaMod is an extension that brings the same functionality and even more to modules. It includes Joomla modules and works transparently with any other type of module. • Check the extensions at extensions.joomla.org. Navigate to Access and Security/ Frontend Access Control category and find MetaMod. • You will be taken to MetaMod site. Select the option you wish to download. • Once the module is downloaded, go to Extensions -: Module manager. Scroll right and click on New button at the top. • Click MetaMod from the various options. Click on Next button at the top. • Fill in the entities in the form. Click on save button after filling all the options. New module will be created. • You can change order and preferences in accordance to your personalized needs.