The details of a delivery contract. Includes the type of good, units needed, and the destination.
| Name | Type | Description | Notes |
|---|---|---|---|
| tradeSymbol | String | The symbol of the trade good to deliver. | |
| destinationSymbol | String | The destination where goods need to be delivered. | |
| unitsRequired | Integer | The number of units that need to be delivered on this contract. | |
| unitsFulfilled | Integer | The number of units fulfilled on this contract. |