Icons.php

In this file custom Icons can be registered in the IconRegistry.

See the Icon API for details.

EXT:my_extension/Configuration/Icons.php

<?php
   return [
       // Icon identifier
       'mysvgicon' => [
           // Icon provider class
           'provider' => \TYPO3\CMS\Core\Imaging\IconProvider\SvgIconProvider::class,
           // The source SVG for the SvgIconProvider
           'source' => 'EXT:my_extension/Resources/Public/Icons/mysvg.svg',
       ],
       'mybitmapicon' => [
           'provider' => \TYPO3\CMS\Core\Imaging\IconProvider\BitmapIconProvider::class,
           // The source bitmap file
           'source' => 'EXT:my_extension/Resources/Public/Icons/mybitmap.png',
           // All icon providers provide the possibility to register an icon that spins
           'spinning' => true,
       ],
       'anothersvgicon' => [
           'provider' => \TYPO3\CMS\Core\Imaging\IconProvider\SvgIconProvider::class,
           'source' => 'EXT:my_extension/Resources/Public/Icons/anothersvg.svg',
           // Since TYPO3 v12.0 an extension that provides icons for broader
           // use can mark such icons as deprecated with logging to the TYPO3
           // deprecation log. All keys (since, until, replacement) are optional.
           'deprecated' => [
               'since' => 'my extension v2',
               'until' => 'my extension v3',
               'replacement' => 'alternative-icon',
           ],
       ],
   ];