<?xml version="1.0" encoding="UTF-8" ?> <class name="HBoxContainer" inherits="BoxContainer" version="4.0"> <brief_description> Horizontal box container. </brief_description> <description> Horizontal box container. See [BoxContainer]. </description> <tutorials> </tutorials> <theme_items> <theme_item name="separation" data_type="constant" type="int" default="4"> The horizontal space between the [HBoxContainer]'s elements. </theme_item> </theme_items> </class>