# Host
<a name="API_Host"></a>

Describes the properties of the Dedicated Host.

## Contents
<a name="API_Host_Contents"></a>

 ** allocationTime **   
The time that the Dedicated Host was allocated.  
Type: Timestamp  
Required: No

 ** allowsMultipleInstanceTypes **   
Indicates whether the Dedicated Host supports multiple instance types of the same instance family. If the value is `on`, the Dedicated Host supports multiple instance types in the instance family. If the value is `off`, the Dedicated Host supports a single instance type only.  
Type: String  
Valid Values: `on | off`   
Required: No

 ** assetId **   
The ID of the Outpost hardware asset on which the Dedicated Host is allocated.  
Type: String  
Required: No

 ** autoPlacement **   
Whether auto-placement is on or off.  
Type: String  
Valid Values: `on | off`   
Required: No

 ** availabilityZone **   
The Availability Zone of the Dedicated Host.  
Type: String  
Required: No

 ** availabilityZoneId **   
The ID of the Availability Zone in which the Dedicated Host is allocated.  
Type: String  
Required: No

 ** availableCapacity **   
Information about the instances running on the Dedicated Host.  
Type: [AvailableCapacity](API_AvailableCapacity.md) object  
Required: No

 ** clientToken **   
Unique, case-sensitive identifier that you provide to ensure the idempotency of the request. For more information, see [Ensuring Idempotency](https://docs.aws.amazon.com/AWSEC2/latest/APIReference/Run_Instance_Idempotency.html).  
Type: String  
Required: No

 ** hostId **   
The ID of the Dedicated Host.  
Type: String  
Required: No

 ** hostMaintenance **   
Indicates whether host maintenance is enabled or disabled for the Dedicated Host.  
Type: String  
Valid Values: `on | off`   
Required: No

 ** hostProperties **   
The hardware specifications of the Dedicated Host.  
Type: [HostProperties](API_HostProperties.md) object  
Required: No

 ** hostRecovery **   
Indicates whether host recovery is enabled or disabled for the Dedicated Host.  
Type: String  
Valid Values: `on | off`   
Required: No

 ** hostReservationId **   
The reservation ID of the Dedicated Host. This returns a `null` response if the Dedicated Host doesn't have an associated reservation.  
Type: String  
Required: No

 ** Instances.N **   
The IDs and instance type that are currently running on the Dedicated Host.  
Type: Array of [HostInstance](API_HostInstance.md) objects  
Required: No

 ** memberOfServiceLinkedResourceGroup **   
Indicates whether the Dedicated Host is in a host resource group. If **memberOfServiceLinkedResourceGroup** is `true`, the host is in a host resource group; otherwise, it is not.  
Type: Boolean  
Required: No

 ** outpostArn **   
The Amazon Resource Name (ARN) of the AWS Outpost on which the Dedicated Host is allocated.  
Type: String  
Required: No

 ** ownerId **   
The ID of the AWS account that owns the Dedicated Host.  
Type: String  
Required: No

 ** releaseTime **   
The time that the Dedicated Host was released.  
Type: Timestamp  
Required: No

 ** state **   
The Dedicated Host's state.  
Type: String  
Valid Values: `available | under-assessment | permanent-failure | released | released-permanent-failure | pending`   
Required: No

 ** TagSet.N **   
Any tags assigned to the Dedicated Host.  
Type: Array of [Tag](API_Tag.md) objects  
Required: No

## See Also
<a name="API_Host_SeeAlso"></a>

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/Host) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/ec2-2016-11-15/Host) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/ec2-2016-11-15/Host)