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# AWS::Cognito::UserPool NumberAttributeConstraints
<a name="aws-properties-cognito-userpool-numberattributeconstraints"></a>

The minimum and maximum values of an attribute that is of the number type, for example `custom:age`.

## Syntax
<a name="aws-properties-cognito-userpool-numberattributeconstraints-syntax"></a>

To declare this entity in your CloudFormation template, use the following syntax:

### JSON
<a name="aws-properties-cognito-userpool-numberattributeconstraints-syntax.json"></a>

```
{
  "[MaxValue](#cfn-cognito-userpool-numberattributeconstraints-maxvalue)" : String,
  "[MinValue](#cfn-cognito-userpool-numberattributeconstraints-minvalue)" : String
}
```

### YAML
<a name="aws-properties-cognito-userpool-numberattributeconstraints-syntax.yaml"></a>

```
  [MaxValue](#cfn-cognito-userpool-numberattributeconstraints-maxvalue): String
  [MinValue](#cfn-cognito-userpool-numberattributeconstraints-minvalue): String
```

## Properties
<a name="aws-properties-cognito-userpool-numberattributeconstraints-properties"></a>

`MaxValue`  <a name="cfn-cognito-userpool-numberattributeconstraints-maxvalue"></a>
The maximum length of a number attribute value. Must be a number less than or equal to `2^1023`, represented as a string with a length of 131072 characters or fewer.  
*Required*: No  
*Type*: String  
*Minimum*: `0`  
*Maximum*: `131072`  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`MinValue`  <a name="cfn-cognito-userpool-numberattributeconstraints-minvalue"></a>
The minimum value of an attribute that is of the number data type.  
*Required*: No  
*Type*: String  
*Minimum*: `0`  
*Maximum*: `131072`  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)