The Mileage resource allows you to record mileage driven by the user for business purposes and in turn are tax deductible.

Below are the Mileage object's fields and descriptions:

transactionIdThe mileage transaction's unique identifier
distanceDistance in miles
dateThe date the user recorded this mileage
descriptionThe description of this mileage
foreignId(Optional) The customer-specific unique identifier associated with this mileage.