This is the new *Amazon CloudFormation Template Reference Guide*. Please update your bookmarks and links. For help getting started with CloudFormation, see the [Amazon CloudFormation User Guide](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/Welcome.html).

# AWS::WAFv2::RuleGroup ImmunityTimeProperty
<a name="aws-properties-wafv2-rulegroup-immunitytimeproperty"></a>

Used for CAPTCHA and challenge token settings. Determines how long a `CAPTCHA` or challenge timestamp remains valid after Amazon WAF updates it for a successful `CAPTCHA` or challenge response. 

## Syntax
<a name="aws-properties-wafv2-rulegroup-immunitytimeproperty-syntax"></a>

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

### JSON
<a name="aws-properties-wafv2-rulegroup-immunitytimeproperty-syntax.json"></a>

```
{
  "[ImmunityTime](#cfn-wafv2-rulegroup-immunitytimeproperty-immunitytime)" : {{Integer}}
}
```

### YAML
<a name="aws-properties-wafv2-rulegroup-immunitytimeproperty-syntax.yaml"></a>

```
  [ImmunityTime](#cfn-wafv2-rulegroup-immunitytimeproperty-immunitytime): {{Integer}}
```

## Properties
<a name="aws-properties-wafv2-rulegroup-immunitytimeproperty-properties"></a>

`ImmunityTime`  <a name="cfn-wafv2-rulegroup-immunitytimeproperty-immunitytime"></a>
The amount of time, in seconds, that a `CAPTCHA` or challenge timestamp is considered valid by Amazon WAF. The default setting is 300.   
For the Challenge action, the minimum setting is 300.   
*Required*: Yes  
*Type*: Integer  
*Minimum*: `60`  
*Maximum*: `259200`  
*Update requires*: [No interruption](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)