The Sequence Reset <4> message by sending the application to reset the incoming sequence number on the opposing side.
| Tag | Field Name | Required | Comments |
|---|---|---|---|
| Standard Header | Yes | MsgType <35> = 4 | |
| 123 | GapFillFlag | No | Indicates replacing administrative or application messages which will not be resent. Valid values: Y = Gap Fill mode N = Sequence Reset mode |
| 36 | NewSeqNo | Yes | New Sequence Number. The receiver should expect this to be the sequence number of the following message |
| Standard trailer | Yes |