AWS SDK Version 3 for .NET
API Reference

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Describes a lifecycle hook, which tells Amazon EC2 Auto Scaling that you want to perform an action whenever it launches instances or whenever it terminates instances.

For more information, see Lifecycle Hooks in the Amazon EC2 Auto Scaling User Guide.

Inheritance Hierarchy


Namespace: Amazon.AutoScaling.Model
Assembly: AWSSDK.AutoScaling.dll
Version: 3.x.y.z


public class LifecycleHookSpecification

The LifecycleHookSpecification type exposes the following members



Public Property DefaultResult System.String

Gets and sets the property DefaultResult.

Defines the action the Auto Scaling group should take when the lifecycle hook timeout elapses or if an unexpected failure occurs. The valid values are CONTINUE and ABANDON.

Public Property HeartbeatTimeout System.Int32

Gets and sets the property HeartbeatTimeout.

The maximum time, in seconds, that can elapse before the lifecycle hook times out. If the lifecycle hook times out, Amazon EC2 Auto Scaling performs the default action. You can prevent the lifecycle hook from timing out by calling RecordLifecycleActionHeartbeat.

Public Property LifecycleHookName System.String

Gets and sets the property LifecycleHookName.

The name of the lifecycle hook.

Public Property LifecycleTransition System.String

Gets and sets the property LifecycleTransition.

The state of the EC2 instance to which you want to attach the lifecycle hook. The possible values are:

  • autoscaling:EC2_INSTANCE_LAUNCHING


Public Property NotificationMetadata System.String

Gets and sets the property NotificationMetadata.

Additional information that you want to include any time Amazon EC2 Auto Scaling sends a message to the notification target.

Public Property NotificationTargetARN System.String

Gets and sets the property NotificationTargetARN.

The ARN of the target that Amazon EC2 Auto Scaling sends notifications to when an instance is in the transition state for the lifecycle hook. The notification target can be either an SQS queue or an SNS topic.

Public Property RoleARN System.String

Gets and sets the property RoleARN.

The ARN of the IAM role that allows the Auto Scaling group to publish to the specified notification target.

Version Information

.NET Standard:
Supported in: 1.3

.NET Framework:
Supported in: 4.5, 4.0, 3.5

Portable Class Library:
Supported in: Windows Store Apps
Supported in: Windows Phone 8.1
Supported in: Xamarin Android
Supported in: Xamarin iOS (Unified)
Supported in: Xamarin.Forms