Target - Amazon Systems Manager
Services or capabilities described in Amazon Web Services documentation might vary by Region. To see the differences applicable to the China Regions, see Getting Started with Amazon Web Services in China (PDF).


An array of search criteria that targets managed nodes using a key-value pair that you specify.


One or more targets must be specified for maintenance window Run Command-type tasks. Depending on the task, targets are optional for other maintenance window task types (Automation, Amazon Lambda, and Amazon Step Functions). For more information about running tasks that don't specify targets, see Registering maintenance window tasks without targets in the Amazon Systems Manager User Guide.

Supported formats include the following.

For all Systems Manager capabilities:

  • Key=tag-key,Values=tag-value-1,tag-value-2

For Automation and Change Manager:

  • Key=tag:tag-key,Values=tag-value

  • Key=ResourceGroup,Values=resource-group-name

  • Key=ParameterValues,Values=value-1,value-2,value-3

  • To target all instances in the Amazon Web Services Region:

    • Key=AWS::EC2::Instance,Values=*

    • Key=InstanceIds,Values=*

For Run Command and Maintenance Windows:

  • Key=InstanceIds,Values=instance-id-1,instance-id-2,instance-id-3

  • Key=tag:tag-key,Values=tag-value-1,tag-value-2

  • Key=resource-groups:Name,Values=resource-group-name

  • Additionally, Maintenance Windows support targeting resource types:

    • Key=resource-groups:ResourceTypeFilters,Values=resource-type-1,resource-type-2

For State Manager:

  • Key=InstanceIds,Values=instance-id-1,instance-id-2,instance-id-3

  • Key=tag:tag-key,Values=tag-value-1,tag-value-2

  • To target all instances in the Amazon Web Services Region:

    • Key=InstanceIds,Values=*

For more information about how to send commands that target managed nodes using Key,Value parameters, see Targeting multiple managed nodes in the Amazon Systems Manager User Guide.



User-defined criteria for sending commands that target managed nodes that meet the criteria.

Type: String

Length Constraints: Minimum length of 1. Maximum length of 163.

Pattern: ^[\p{L}\p{Z}\p{N}_.:/=\-@]*$|resource-groups:ResourceTypeFilters|resource-groups:Name

Required: No


User-defined criteria that maps to Key. For example, if you specified tag:ServerRole, you could specify value:WebServer to run a command on instances that include EC2 tags of ServerRole,WebServer.

Depending on the type of target, the maximum number of values for a key might be lower than the global maximum of 50.

Type: Array of strings

Array Members: Minimum number of 0 items. Maximum number of 50 items.

Required: No

See Also

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