---
title: "PolicyReplayInput"
description: "a policy and its version replayed on a strategy's logged decisions over a window"
section: concepts
address: /concepts/policyreplayinput
contract: 0476e35e6e275db5
---

# PolicyReplayInput

a policy and its version replayed on a strategy's logged decisions over a window

[figure: PolicyReplayInput 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 | harness |



## Fields


| field | type | required | note |
|---|---|---|---|
| `policy` | [Policy](/concepts/policy) | yes |  |
| `strategy` | `id` | yes |  |
| `window` | [Window](/concepts/window) | no |  |



## Routes that use it
- [`/v1/read/policy_replay`](/reference/read/policy_replay) takes it as input