| Tag | Field Name | XML Name | Data Type | Union Datatype | Description | Added | Depr. | Enums from tag |
|---|---|---|---|---|---|---|---|---|
| 1179 | MDSecSize | @MDSecSize | Qty |
A part of the MDEntrySize(271) that represents secondary interest as specified by MDSecSizeType(1178). | Added FIX.5.0 EP47 |
|