Legacy Documentation: Version 4.3.0
EditorGUI.HelpBox
static function HelpBox(position: Rect, message: string, type: MessageType): void;
static void HelpBox(Rect position, string message, MessageType type);
static def HelpBox(position as Rect, message as string, type as MessageType) as void
Parameters

position Rectangle on the screen to draw the help box within.
message The message text.
type The type of message.
Description

Make a help box with a message to the user.