Image files used in the icon property for actions and visual components, for example, Button, can be added to your custom theme.

For example, to add an icon to the Helium custom theme, you should add the image file to the themes/helium-extended directory described in the Creating a Custom Theme section (it is recommended to create a subfolder):

path to icons

In the following sections, we consider using the icons in visual components and adding icons from arbitrary font libraries.