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Amazon CloudWatch Events
API Reference (API Version 2015-10-07)

Target

Targets are the resources to be invoked when a rule is triggered. Target types include EC2 instances, AWS Lambda functions, Amazon Kinesis streams, Amazon ECS tasks, AWS Step Functions state machines, Run Command, and built-in targets.

Contents

Arn

The Amazon Resource Name (ARN) of the target.

Type: String

Length Constraints: Minimum length of 1. Maximum length of 1600.

Required: Yes

EcsParameters

Contains the Amazon ECS task definition and task count to be used, if the event target is an Amazon ECS task. For more information about Amazon ECS tasks, see Task Definitions in the Amazon EC2 Container Service Developer Guide.

Type: EcsParameters object

Required: No

Id

The ID of the target.

Type: String

Length Constraints: Minimum length of 1. Maximum length of 64.

Pattern: [\.\-_A-Za-z0-9]+

Required: Yes

Input

Valid JSON text passed to the target. In this case, nothing from the event itself is passed to the target. You must use JSON dot notation, not bracket notation. For more information, see The JavaScript Object Notation (JSON) Data Interchange Format.

Type: String

Length Constraints: Maximum length of 8192.

Required: No

InputPath

The value of the JSONPath that is used for extracting part of the matched event when passing it to the target. You must use JSON dot notation, not bracket notation. For more information about JSON paths, see JSONPath.

Type: String

Length Constraints: Maximum length of 256.

Required: No

InputTransformer

Settings to enable you to provide custom input to a target based on certain event data. You can extract one or more key-value pairs from the event and then use that data to send customized input to the target.

Type: InputTransformer object

Required: No

KinesisParameters

The custom parameter you can use to control shard assignment, when the target is an Amazon Kinesis stream. If you do not include this parameter, the default is to use the eventId as the partition key.

Type: KinesisParameters object

Required: No

RoleArn

The Amazon Resource Name (ARN) of the IAM role to be used for this target when the rule is triggered. If one rule triggers multiple targets, you can use a different IAM role for each target.

Type: String

Length Constraints: Minimum length of 1. Maximum length of 1600.

Required: No

RunCommandParameters

Parameters used when you are using the rule to invoke Amazon EC2 Run Command.

Type: RunCommandParameters object

Required: No

See Also

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

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