IHE DSUBm ResourceNotificationBroker

The DSUBm Resource Notification Broker Actor CapabilityStatement requirements expresses the requirements that SHALL be provided. - Using FHIR R4 - SHALL support both json and xml encoding - SHOULD use a security framework. Recommend [ATNA](https://profiles.ihe.net/ITI/TF/Volume1/ch-9.html), encouraged [IHE-IUA](https://profiles.ihe.net/ITI/IUA/index.html) or [SMART-app-launch](http://www.hl7.org/fhir/smart-app-launch/) - SHALL support the ITI-110 transaction and support the basic type of Subscription and related SubscriptionTopic - MAY support the ITI-111 transaction - SHALL support the ITI-112 transaction: - SHALL support Handshake Notification - SHOULD support Heartbeat Notification - SHALL support Event Notification - SHOULD support Subscription Deactivation Notification - SHALL support the ITI-113 transaction: - SHALL support the following [Search Parameters](ITI-113.html#23113412-message-semantics) - _id - status - url - filter-criteria - topic - SHALL support the DSUBm $status operation - SHOULD support the DSUBm $events operation - SHALL support the ITI-114 transaction: - SHALL support the following [Search Parameters](ITI-114.html#23114412-message-semantics) - code - _id - resource - derived-or-self - status - url