+ BACKGROUND_BORDER,
+
+ /**
+ * @brief The popup background.
+ * @details Name "background", type Property::Map.
+ * @note Optional.
+ */
+ BACKGROUND,
+
+ /**
+ * @brief The minimum size of popup label.
+ * @details Name "labelMinimumSize", type Vector2.
+ * @note Optional.
+ */
+ LABEL_MINIMUM_SIZE,
+
+ /**
+ * @brief The padding of popup label.
+ * @details Name "labelPadding", type Vector4.
+ * @note Optional.
+ */
+ LABEL_PADDING,
+
+ /**
+ * @brief The text visual map of popup label.
+ * @details Name "labelTextVisual", type Property::Map.
+ * @note Optional.
+ */
+ LABEL_TEXT_VISUAL,
+
+ /**
+ * @brief Whether the scroll-bar is enabled.
+ * @details Name "enableScrollBar", type Property::BOOLEAN.
+ * @note Optional.
+ */
+ ENABLE_SCROLL_BAR