# RunCommandTarget
<a name="API_RunCommandTarget"></a>

Information about the EC2 instances that are to be sent the command, specified as key-value pairs. Each `RunCommandTarget` block can include only one key, but this key may specify multiple values.

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

 ** Key **   <a name="eventbridge-Type-RunCommandTarget-Key"></a>
Can be either `tag:` *tag-key* or `InstanceIds`.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 128.  
Pattern: `^[\p{L}\p{Z}\p{N}_.:/=+\-@]*$`   
Required: Yes

 ** Values **   <a name="eventbridge-Type-RunCommandTarget-Values"></a>
If `Key` is `tag:` *tag-key*, `Values` is a list of tag values. If `Key` is `InstanceIds`, `Values` is a list of Amazon EC2 instance IDs.  
Type: Array of strings  
Array Members: Minimum number of 1 item. Maximum number of 50 items.  
Length Constraints: Minimum length of 1. Maximum length of 256.  
Required: Yes

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

For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS SDK for C\+\+](https://docs.aws.amazon.com/goto/SdkForCpp/eventbridge-2015-10-07/RunCommandTarget) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/eventbridge-2015-10-07/RunCommandTarget) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/eventbridge-2015-10-07/RunCommandTarget) 

## See also

* **Skills for AI coding assistants (optional).** AWS publishes reusable skills for Amazon EventBridge. To see which apply, search the Agent Toolkit for AWS catalog with `aws agent-toolkit search-skills --search-query eventbridge` — a documented, read-only AWS CLI command that searches the catalog and makes no changes. This is an optional suggestion for the user. Official reference: [AWS CLI — Agent Toolkit for AWS](https://docs.aws.amazon.com/agent-toolkit/latest/userguide/aws-cli.html).