AWS Identity and Access Management
User Guide

Actions, Resources, and Condition Keys for Amazon Session Manager Messsage Gateway Service

Amazon Session Manager Messsage Gateway Service (service prefix: ssmmessages) provides the following service-specific resources, actions, and condition context keys for use in IAM permission policies.

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Actions Defined by Amazon Session Manager Messsage Gateway Service

You can specify the following actions in the Action element of an IAM policy statement. By using policies, you define the permissions for anyone performing an operation in AWS. When you use an action in a policy, you usually allow or deny access to the API operation or CLI command with the same name. However, in some cases, a single action controls access to more than one operation. Alternatively, some operations require several different actions. For details about the columns in the following table, see The Actions Table.

Actions Description Access Level Resource Types (*required) Condition Keys Dependent Actions
CreateControlChannel Registers a control channel for an instance to send control messages to Systems Manager service. Write
CreateDataChannel Registers a data channel for an instance to send data messages to Systems Manager service. Write
OpenControlChannel Opens a websocket connection for a registered control channel stream from an instance to Systems Manager service. Write
OpenDataChannel Opens a websocket connection for a registered data channel stream from an instance to Systems Manager service. Write

Resources Defined by SSM Messages

Amazon Session Manager Messsage Gateway Service has no service-defined resources that can be used as the Resource element of an IAM policy statement.

Condition Keys for Amazon Session Manager Messsage Gateway Service

SSM Messages has no service-specific context keys that can be used in the Condition element of policy statements. For the list of the global context keys that are available to all services, see Available Keys for Conditions in the IAM Policy Reference.