---
url: "https://vueda.dev/v3/reference/api/py/vueda.core.serializers/NoExtraFieldsSerializerMixin.md"
title: "NoExtraFieldsSerializerMixin"
---

# NoExtraFieldsSerializerMixin

## Overview

Explode on extra fields, but it is not the default behavior of DRF.

This lets us clean up client code or tests with extraneous keys.

## `validate` {#validate}

### Signature {#validate-signature}

`validate(self, attrs)`

#### Parameters {#validate-parameters}

| Name | Type | Required | Default | Description |
| --- | --- | --- | --- | --- |
| self |  | yes |  |  |
| <span id="validate-param-attrs">attrs</span> |  | yes |  |  |

### Source {#validate-source}

`server/vueda/core/serializers/__init__.py:141`

## Source

`server/vueda/core/serializers/__init__.py:134`