Added in protocol FIX.4.4
See in: FIX.4.4, FIX.5.0, FIX.5.0SP1, FIX.5.0SP2 EP240.
| Field or Component | Name | Description | Is Required | Added | Is Deprecated |
|---|---|---|---|---|---|
| 555 | NoLegs | Number of legs | FIX.4.4 | ||
| Block | InstrumentLeg | Must be provided if Number of legs > 0 | FIX.4.4 |