• Information about all available services and their capabilities. This includes information about domain types supported within a service, the service’s state, the quality of service, and any item group information associated with the service. Each service is associated with a unique ServiceName or ServiceId.
• Status information associated with item groups. This allows a single message to change the state of all associated items, avoiding the need to send a status message for each individual item. The consumer is responsible for applying any changes to its open items. For details, refer to Section 4.3.1.2 and Section 4.3.1.3.
• Source Mirroring information between an LSEG Real-Time Advanced Distribution Hub and Open Message Model interactive provider applications exchanged via a specifically-formatted generic message as described in Section 4.2.5.