+ * @brief The url to load.
+ * @details name "url", type Property::STRING.
+ */
+ URL = PROPERTY_START_INDEX,
+
+ /**
+ * @brief The user agent string.
+ * @details name "userAgent", type Property::STRING.
+ */
+ USER_AGENT,
+
+ /**
+ * @brief The current position of scroll.
+ * @details name "scrollPosition", type Property::VECTOR2.
+ */
+ SCROLL_POSITION,
+
+ /**
+ * @brief The current size of scroll.
+ * @details name "scrollSize", type Property::VECTOR2.
+ * @note The value is read-only.
+ */
+ SCROLL_SIZE,
+
+ /**
+ * @brief The current size of content.
+ * @details name "contentSize", type Property::VECTOR2.
+ * @note The value is read-only.
+ */
+ CONTENT_SIZE,
+
+ /**
+ * @brief The title of web page.
+ * @details name "title", type Property::STRING.
+ * @note The value is read-only.
+ */
+ TITLE,
+
+ /**
+ * @brief Whether video hole is enabled or not.
+ * @details name "videoHoleEnabled", type Property::BOOLEAN.
+ * @note The value is read-only.
+ */
+ VIDEO_HOLE_ENABLED,
+
+ /**
+ * @brief Whether mouse event is enabled.
+ * @details name "mouseEventsEnabled", type Property::BOOLEAN.
+ * @note Default is true.
+ */
+ MOUSE_EVENTS_ENABLED,
+
+ /**
+ * @brief Whether key event is enabled.
+ * @details name "keyEventsEnabled", type Property::BOOLEAN.
+ * @note Default is true.