Legacy Documentation: Version 4.3.0
EditorGUILayout.HelpBox
static function HelpBox(message: string, type: MessageType): void;
static function HelpBox(message: string, type: MessageType, wide: bool): void;
Parameters

message The message text.
type The type of message.
wide If true, the box will cover the whole width of the window; otherwise it will cover the controls part only.
Description

Make a help box with a message to the user.