Event Replay Query (ERQ) segment -- HL7v2 v2.5.1.
Withdrawn/deprecated query segment from v2.3 that still appears in the v2.5.1 index. Requests replay of events. 3 fields per HL7 v2.5.1 specification.
@type t() :: %HL7v2.Segment.ERQ{ event_identifier: term(), extra_fields: term(), input_parameter_list: term(), query_tag: term() }