Audit Event for Subscription Search message in a Subscription Search transaction made by the Resource Notification Subscriber

Defines constraints on the AuditEvent Resource to record when a Resource Notification Subscriber in a Subscription Search transaction happens, as recorded by the Subscriber.

• Build off of the IHE BasicAudit Read event
• add the ITI-113 as a subtype
• SHALL have a Resource Notification Subscriber agent
• SHALL have a Resource Notification Broker agent
• entity slices for the Subscription reference
• entity slices for query is REQUIRED
• entity slice for transaction is available
• source is the client