---
url: "https://vueda.dev/v3/reference/api/js/use/validation/useDateTimeValidation/functions/useDateTimeValidation.md"
title: "useDateTimeValidation"
---

# useDateTimeValidation

## Overview

Registers reactive date/datetime validation watches on a field context.

## Signature

`useDateTimeValidation(fieldContext, options, config)`

### Parameters

| Name | Type | Required | Description |
| --- | --- | --- | --- |
| <span id="param-fieldContext">fieldContext</span> | [FieldContext](/v3/reference/api/js/use/useField/types/FieldContext.md) | yes | The field context to validate against. |
| <span id="param-options">options</span> | [DateTimeValidationOptions](/v3/reference/api/js/use/validation/useDateTimeValidation/types/DateTimeValidationOptions.md) | yes | Constraint configuration (typically the component props object). |
| <span id="param-config">config</span> | [DateTimeValidationConfig](/v3/reference/api/js/use/validation/useDateTimeValidation/types/DateTimeValidationConfig.md) | no | Static configuration for the validation behavior. |

### Returns

`void`

## Source

`client/lib/use/validation/useDateTimeValidation.js:63`