Classes/Configuration.php
public static function registerIcons()
    {
        $iconRegistry = GeneralUtility::makeInstance(IconRegistry::class);
        $iconRegistry->registerIcon(
            'brand-amazon',
            FontawesomeIconProvider::class,
            ['name' => 'amazon']
        );
        $iconRegistry->registerIcon(
            'brand-paypal',
            FontawesomeIconProvider::class,
            ['name' => 'paypal']
        );
        $iconRegistry->registerIcon(
            'documentation-book',
            FontawesomeIconProvider::class,
            ['name' => 'book']
        );
        $iconRegistry->registerIcon(
            'brand-patreon',
            SvgIconProvider::class,
            [
                'source' => 'EXT:staticfilecache/Resources/Public/Icons/Patreon.svg',
            ]
        );
    }
public static function registerIcons()
    {
        $iconRegistry = GeneralUtility::makeInstance(IconRegistry::class);
        $iconRegistry->registerIcon(
            'brand-amazon',
            FontawesomeIconProvider::class,
            ['name' => 'amazon']
        );
        $iconRegistry->registerIcon(
            'brand-paypal',
            FontawesomeIconProvider::class,
            ['name' => 'paypal']
        );
        $iconRegistry->registerIcon(
            'documentation-book',
            FontawesomeIconProvider::class,
            ['name' => 'book']
        );
        $iconRegistry->registerIcon(
            'brand-patreon',
            SvgIconProvider::class,
            [
                'source' => 'EXT:staticfilecache/Resources/Public/Icons/Patreon.svg',
            ]
        );
    }
public static function registerIcons ( ) { $ iconRegistry = GeneralUtility :: makeInstance ( IconRegistry :: class ) ; $ iconRegistry -> registerIcon ( 'brand-amazon' , FontawesomeIconProvider :: class , [ 'name' => 'amazon' ] ) ; $ iconRegistry -> registerIcon ( 'brand-paypal' , FontawesomeIconProvider :: class , [ 'name' => 'paypal' ] ) ; $ iconRegistry -> registerIcon ( 'documentation-book' , FontawesomeIconProvider :: class , [ 'name' => 'book' ] ) ; $ iconRegistry -> registerIcon ( 'brand-patreon' , SvgIconProvider :: class , [ 'source' => 'EXT:staticfilecache/Resources/Public/Icons/Patreon.svg' , ] ) ; }
Register icons.
Register icons .