4 actions in the ssmmessages service. Select an action to see its access level, resource ARNs, condition keys, and a copy-paste IAM policy.
Grants permission to register a control channel for an instance to send control messages to Systems Manager service
Grants permission to register a data channel for an instance to send data messages to Systems Manager service
Grants permission to open a websocket connection for a registered control channel stream from an instance to Systems Manager service
Grants permission to open a websocket connection for a registered data channel stream from an instance to Systems Manager service