# LaunchTemplateInstanceMetadataOptionsRequest
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The metadata options for the instance. For more information, see [Use instance metadata to manage your EC2 instance](https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ec2-instance-metadata.html) in the *Amazon EC2 User Guide*.

## Contents
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 ** HttpEndpoint **   
Enables or disables the HTTP metadata endpoint on your instances. If the parameter is not specified, the default state is `enabled`.  
If you specify a value of `disabled`, you will not be able to access your instance metadata. 
Type: String  
Valid Values: `disabled | enabled`   
Required: No

 ** HttpProtocolIpv6 **   
Enables or disables the IPv6 endpoint for the instance metadata service.  
Default: `disabled`   
Type: String  
Valid Values: `disabled | enabled`   
Required: No

 ** HttpPutResponseHopLimit **   
The desired HTTP PUT response hop limit for instance metadata requests. The larger the number, the further instance metadata requests can travel.  
Default: `1`   
Possible values: Integers from 1 to 64  
Type: Integer  
Required: No

 ** HttpTokens **   
Indicates whether IMDSv2 is required.  
+  `optional` - IMDSv2 is optional. You can choose whether to send a session token in your instance metadata retrieval requests. If you retrieve IAM role credentials without a session token, you receive the IMDSv1 role credentials. If you retrieve IAM role credentials using a valid session token, you receive the IMDSv2 role credentials.
+  `required` - IMDSv2 is required. You must send a session token in your instance metadata retrieval requests. With this option, retrieving the IAM role credentials always returns IMDSv2 credentials; IMDSv1 credentials are not available.
Default: If the value of `ImdsSupport` for the Amazon Machine Image (AMI) for your instance is `v2.0`, the default is `required`.  
Type: String  
Valid Values: `optional | required`   
Required: No

 ** InstanceMetadataTags **   
Set to `enabled` to allow access to instance tags from the instance metadata. Set to `disabled` to turn off access to instance tags from the instance metadata. For more information, see [View tags for your EC2 instances using instance metadata](https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/work-with-tags-in-IMDS.html).  
Default: `disabled`   
Type: String  
Valid Values: `disabled | enabled`   
Required: No

## See Also
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For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/ec2-2016-11-15/LaunchTemplateInstanceMetadataOptionsRequest) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/ec2-2016-11-15/LaunchTemplateInstanceMetadataOptionsRequest) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/ec2-2016-11-15/LaunchTemplateInstanceMetadataOptionsRequest)