SOP Class Extended Negotiation sub-item (0x56). PS3.7 Annex D.3.3.5.
Carries service-class-specific application information for a SOP class. The service_class_application_info binary is interpreted by the service class defined by sop_class_uid.
service_class_application_info
sop_class_uid
@type t() :: %Dimse.Pdu.SopClassExtendedNegotiation{ service_class_application_info: binary() | nil, sop_class_uid: String.t() | nil }