How do I add custom functionality to my Acquia website?
Yes, you can add custom functionality to your site through the use of custom Drupal modules, sub-themes, and custom elements.
There are multiple ways that you can offer custom functionality. Drupal modules allow you to create custom blocks, sub-themes allow to you add custom code to your theme, and custom elements allow you to create new elements to be used in the Acquia Cohesion interface.
To find out more on creating custom elements, please visit the 'How to create a custom element' page.