---
title: "Cadence"
description: "when the host reads, within politeness; set only by a demand statement"
section: concepts
address: /concepts/cadence
contract: 0476e35e6e275db5
---

# Cadence

when the host reads, within politeness; set only by a demand statement

[figure: Cadence is a definition at platform scope. The drawing shows its fields and the objects that they point at.]

| property | value |
|---|---|
| kind | definition |
| scope | platform |
| key | the source and the way |
| store | acquisition |
| family | sources |



## Fields


| field | type | required | note |
|---|---|---|---|
| `way` | [AccessMethod](/concepts/accessmethod) | yes |  |
| `every` | `duration` | yes |  |
| `term` | [Window](/concepts/window) | yes |  |
| `state` | [Readiness](/concepts/readiness) | yes |  |



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