Add custom icons - Joomla

1

Go to the Accordion Menu’s modul page:
Basic parametersTypeSettings buttonMenu icons
Turn on the switch at Show parameter and save the changes! Also you can define the Alignment, for the icons. And if you turn on the Only icon, then it will show only the image, which can be useful, if you would like to use images instead of the texts. 

2

Now go in the Menus section in your Joomla backend, and choose your actual menu, thereafter choose a menu item.

3

In the right column you will see a tab with the following text: Link Type Options. Upload or choose an image with the help of the Link Image parameter.
Now it’s ready and show your custom icon. If you would like to use more icons than repeat the step 2 and step 3. Good luck with the icons!