Ability to bring additional information from Expenses into Payables

Content

We'd like to be able to bring across Mileage information from Expenses to AP - specifically details about mileage distances and rates so we can use these to calculate VAT based on some rules.

The standard integration from Expenses to AP is triggered by the Process Expense Reimbursements job. Does anyone have experience in changing the data that is integrated between Expenses and AP?

If you could steer me in the right direction to do some exploration, that would be helpful.

Version

R13 19D