Amazon EC2 Auto Scaling
API Reference (API Version 2011-01-01)

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Describes the notification types that are supported by Amazon EC2 Auto Scaling.

Response Elements

The following element is returned by the service.


The notification types.

Type: Array of strings

Length Constraints: Minimum length of 1. Maximum length of 255.

Pattern: [\u0020-\uD7FF\uE000-\uFFFD\uD800\uDC00-\uDBFF\uDFFF\r\n\t]*


For information about the errors that are common to all actions, see Common Errors.


You already have a pending update to an Amazon EC2 Auto Scaling resource (for example, an Auto Scaling group, instance, or load balancer).

HTTP Status Code: 500


Sample Request &Version=2011-01-01 &AUTHPARAMS

Sample Response

<DescribeAutoScalingNotificationTypesResponse xmlns=""> <DescribeAutoScalingNotificationTypesResult> <AutoScalingNotificationTypes> <member>autoscaling:EC2_INSTANCE_LAUNCH</member> <member>autoscaling:EC2_INSTANCE_LAUNCH_ERROR</member> <member>autoscaling:EC2_INSTANCE_TERMINATE</member> <member>autoscaling:EC2_INSTANCE_TERMINATE_ERROR</member> <member>autoscaling:TEST_NOTIFICATION</member> </AutoScalingNotificationTypes> </DescribeAutoScalingNotificationTypesResult> <ResponseMetadata> <RequestId>7c6e177f-f082-11e1-ac58-3714bEXAMPLE</RequestId> </ResponseMetadata> </DescribeAutoScalingNotificationTypesResponse>

See Also

For more information about using this API in one of the language-specific AWS SDKs, see the following: