public static function popup_promotional_fields( $tabs = array() ) {
		if ( ! pum_extension_enabled( 'forced-interaction' ) ) {
			/* translators: %s url to product page. */
			$message = sprintf( __( 'Want to disable the close button? Check out <a href="%s" target="_blank">Forced Interaction</a>!', 'popup-maker' ), 'https://wppopupmaker.com/extensions/forced-interaction/?utm_source=plugin-theme-editor&utm_medium=text-link&utm_campaign=upsell&utm_content=close-button-settings' );

			$tabs['close']['button']['fi_promotion'] = $tabs['close']['forms']['fi_promotion'] = $tabs['close']['alternate_methods']['fi_promotion'] = array(
				'type'     => 'html',
				'content'  => '<img src="' . pum_asset_url( 'images/upsell-icon-forced-interaction.png' ) . '" />' . $message,
				'priority' => 999,
				'class'    => 'pum-upgrade-tip',
			);
		}

		if ( ! pum_extension_enabled( 'advanced-targeting-conditions' ) ) {
			/* translators: %s url to product page. */
			$message = sprintf( __( 'Need more <a href="%s" target="_blank">advanced targeting</a> options?', 'popup-maker' ), 'https://wppopupmaker.com/extensions/advanced-targeting-conditions/?utm_campaign=upsell&utm_source=plugin-popup-editor&utm_medium=text-link&utm_content=conditions-editor' );

			$tabs['targeting']['main']['atc_promotion'] = array(
				'type'     => 'html',
				'content'  => '<img src="' . pum_asset_url( 'images/logo.png' ) . '" height="28" />' . $message,
				'priority' => 999,
				'class'    => 'pum-upgrade-tip',
			);
		}

		return $tabs;
	}