Service roles and service-linked roles for AWS End User Messaging

Supports service roles: Yes. AWS End User Messaging supports service roles, for example a role that lets the service publish events to an Amazon Kinesis Data Firehose or Amazon SNS destination on your behalf.

Supports service-linked roles: Yes. For details about creating or managing the AWS End User Messaging service-linked role, see Using service-linked roles for AWS End User Messaging.