---
url: "https://vueda.dev/v3/reference/api/py/vueda.workflow.management.commands.makeworkflowmigrations/RecordChange.md"
title: "RecordChange"
---

# RecordChange

## Overview

One field's value before and after a write.

## `__init__` {#--init--}

### Signature {#--init---signature}

`__init__(field, old, new)`

#### Parameters {#--init---parameters}

| Name | Type | Required | Default | Description |
| --- | --- | --- | --- | --- |
| <span id="--init---param-field">field</span> |  | yes |  |  |
| <span id="--init---param-old">old</span> |  | yes |  |  |
| <span id="--init---param-new">new</span> |  | yes |  |  |

### Source {#--init---source}

`server/vueda/workflow/management/commands/makeworkflowmigrations.py:1127`

## `field` {#field}

## `new` {#new}

## `old` {#old}

## Source

`server/vueda/workflow/management/commands/makeworkflowmigrations.py:1122`