Identifies the fills being aggregated together.
| Tag | Name | Type | Required | Description |
|---|---|---|---|---|
| 124 | NumInGroup | No of execution repeating group entries to follow. | ||
| 32 | Quantity | Required if NoExecs(124) > 0 | ||
| 17 | String | Either ExecID(17) or TradeID(1003) must be specified | ||
| 1003 | String | Either ExecID(17) or TradeID(1003) must be specified | ||
| 31 | Price |