---
title: "Window"
description: "a window at both ends"
section: concepts
address: /concepts/window
contract: 0476e35e6e275db5
---

# Window

a window at both ends

[figure: Window is a value at none scope. The drawing shows its fields and the objects that they point at.]

| property | value |
|---|---|
| kind | value |
| scope | none |
| key | none |
| store | none |
| family | identity |



## Fields


| field | type | required | note |
|---|---|---|---|
| `from` | `time` | yes |  |
| `to` | `time` | yes |  |



## Routes that use it
No route takes or returns Window directly. The record holds it, and the objects that point at it reach it.