Opens help for the given topic. The [param topic] is an encoded string that controls which class, method, constant, signal, annotation, property, or theme item should be focused.
The supported [param topic] formats include [code]class_name:class[/code], [code]class_method:class:method[/code], [code]class_constant:class:constant[/code], [code]class_signal:class:signal[/code], [code]class_annotation:class:@annotation[/code], [code]class_property:class:property[/code], and [code]class_theme_item:class:item[/code], where [code]class[/code] is the class name, [code]method[/code] is the method name, [code]constant[/code] is the constant name, [code]signal[/code] is the signal name, [code]annotation[/code] is the annotation name, [code]property[/code] is the property name, and [code]item[/code] is the theme item.
[b]Examples:[/b]
[codeblock]
# Shows help for the Node class.
class_name:Node
# Shows help for the global min function.
# Global objects are accessible in the `@GlobalScope` namespace, shown here.
class_method:@GlobalScope:min
# Shows help for get_viewport in the Node class.
class_method:Node:get_viewport
# Shows help for the Input constant MOUSE_BUTTON_MIDDLE.
class_constant:Input:MOUSE_BUTTON_MIDDLE
# Shows help for the BaseButton signal pressed.
class_signal:BaseButton:pressed
# Shows help for the CanvasItem property visible.
class_property:CanvasItem:visible
# Shows help for the GDScript annotation export.
# Annotations should be prefixed with the `@` symbol in the descriptor, as shown here.
class_annotation:@GDScript:@export
# Shows help for the GraphNode theme item named panel_selected.
Opens the script create dialog. The script will extend [param base_name]. The file extension can be omitted from [param base_path]. It will be added based on the selected scripting language.
