| AllocationID | Used to refer to a specific allocation already in the receiving system. |
| AllowGeneralInvInd | If true, the general inventory can also be used in addition to the NumberOfUnits indicated. If false, the group cannot sell more than the NumberOfUnits. |
| CompRoomFactor | Used to indicate how many rooms need to be sold before a complimentary room is granted (e.g. CompRoomQuantity="1" and CompRoomFactor="100" means 1 complimentary room is granted per 100 rooms sold). |
| CompRoomQuantity | The number of complimentary rooms allocated as part of the inventory block. This may be a flat number of rooms or it may be used in conjunction with CompRoomFactor. |
| EndDateIndicator | If true, this indicator designates that the room allocation is applied through to the End date in the RoomType DateTimeSpanGroup if it exists or to the End date in the InvBlock DateTimeSpanGroup. This would be used in place of RoomTypeAllocation/Duration and RoomTypeAllocation/End. |
| NumberOfUnits | The number of rooms allocated as available for the dates specified in the DateTimeSpanGroup. |
| ProcureBlockCode | The block from which to take inventory when NumberOfUnits is depleted. This is used in conjunction with the SellLimit attribute. If this attribute is not present, inventory is taken from general inventory. |
| SellLimit | The contracted quantity or ceiling of inventory, which may differ from the NumberOfUnits allocated. |
| Duration | The duration datatype represents a combination of year, month, day and time values representing a single duration of time, encoded as a single string. |
| End | The ending value of the time span. |
| Start | The starting value of the time span. |
RoomTypeAllocByGuest