Field GapFillFlag (123) - FIX Protocol FIX.5.0SP2 EP240

Type: Boolean

Indicates that the Sequence Reset message is replacing administrative or application messages which will not be resent.

Added in protocol FIX.4.0

See in: FIX.4.0, FIX.4.1, FIX.4.2, FIX.4.3, FIX.4.4, FIX.5.0, FIX.5.0SP1, FIX.5.0SP2, FIXT.1.1.

Valid values

Value Description Added
N Sequence Reset, Ignore Msg Seq Num (N/A For FIXML - Not Used) FIX.4.0
Y Gap Fill Message, Msg Seq Num Field Valid FIX.4.0

Used in messages