EditorGUILayout.BoundsField
static function BoundsField(value: Bounds, params options: GUILayoutOption[]): Bounds;
static function BoundsField(label: string, value: Bounds, params options: GUILayoutOption[]): Bounds;
static function BoundsField(label: GUIContent, value: Bounds, params options: GUILayoutOption[]): Bounds;
Parameters

label Label to display above the field.
value The value to edit.
options An optional list of layout options that specify extra layouting properties. Any values passed in here will override settings defined by the style.
See Also: GUILayout.Width, GUILayout.Height, GUILayout.MinWidth, GUILayout.MaxWidth, GUILayout.MinHeight, GUILayout.MaxHeight, GUILayout.ExpandWidth, GUILayout.ExpandHeight.
Returns
Bounds The value entered by the user.
Description

Make Center & Extents field for entering a Bounds.