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

# AWS::PCAConnectorAD::Template KeyUsage
<a name="aws-properties-pcaconnectorad-template-keyusage"></a>

The key usage extension defines the purpose (e.g., encipherment, signature) of the key contained in the certificate.

## Syntax
<a name="aws-properties-pcaconnectorad-template-keyusage-syntax"></a>

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

### JSON
<a name="aws-properties-pcaconnectorad-template-keyusage-syntax.json"></a>

```
{
  "[Critical](#cfn-pcaconnectorad-template-keyusage-critical)" : Boolean,
  "[UsageFlags](#cfn-pcaconnectorad-template-keyusage-usageflags)" : KeyUsageFlags
}
```

### YAML
<a name="aws-properties-pcaconnectorad-template-keyusage-syntax.yaml"></a>

```
  [Critical](#cfn-pcaconnectorad-template-keyusage-critical): Boolean
  [UsageFlags](#cfn-pcaconnectorad-template-keyusage-usageflags): 
    KeyUsageFlags
```

## Properties
<a name="aws-properties-pcaconnectorad-template-keyusage-properties"></a>

`Critical`  <a name="cfn-pcaconnectorad-template-keyusage-critical"></a>
Sets the key usage extension to critical.  
*Required*: No  
*Type*: Boolean  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`UsageFlags`  <a name="cfn-pcaconnectorad-template-keyusage-usageflags"></a>
The key usage flags represent the purpose (e.g., encipherment, signature) of the key contained in the certificate.  
*Required*: Yes  
*Type*: [KeyUsageFlags](aws-properties-pcaconnectorad-template-keyusageflags.md)  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)