mod.wizards.newContentElement.wizardItems.media {
    elements {
        external_media {
            iconIdentifier = content-bootstrappackage-externalmedia
            title = LLL:EXT:bootstrap_package/Resources/Private/Language/Backend.xlf:content_element.external_media
            description = LLL:EXT:bootstrap_package/Resources/Private/Language/Backend.xlf:content_element.external_media.description
            tt_content_defValues {
                CType = external_media
            }
        }
    }
    show := addToList(external_media)
}

mod.web_layout.tt_content {
    preview {
        external_media = EXT:bootstrap_package/Resources/Private/Templates/Preview/ExternalMedia.html
    }
}