---
title: "DocumentChangesInput"
description: "two versions of one document"
section: concepts
address: /concepts/documentchangesinput
contract: 0476e35e6e275db5
---

# DocumentChangesInput

two versions of one document

[figure: DocumentChangesInput 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 |
|---|---|---|---|
| `document` | `id` | yes |  |
| `first` | `count` | yes |  |
| `second` | `count` | yes |  |



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