To post an expense from Fresh Projects to Xero go to Financials>Monthly Accounts and select the Project Costs tab.
Select Post to Xero, you will then have the option to edit the reference and description or change the Xero contact. Once the information is correct select post to Xero as Supplier Invoice/Bill.
If there is information missing it will tell you what needs to be done before you can post.
If your expenses are not set up correctly please click here.