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FIXsession: drop copy35=2
Asks the counterparty to retransmit a range of messages after a sequence gap is detected. The counterparty answers either with the original messages carrying PossDupFlag=Y, or with a Sequence Reset carrying GapFillFlag=Y for administrative messages it will not replay. Direction: Either direction
required
35=2
SeqNum
required
First message sequence number to retransmit.Format: Sequence number of the first message to retransmit.
SeqNum
required
Last message sequence number to retransmit. Zero requests everything from BeginSeqNo onwards.Format: Sequence number, or 0 for everything from BeginSeqNo onwards.
required