The expenditure section in TM3 records all out goings within the system.
You can find the Expenditure section within the finance area of TM3.
When you enter this section it shows the screen below. It is broken up into 7 columns.
At the end of the record there is an Edit button which you can click on to make any changes.
These sections are populated when creating an expenditure. You can find out more about creating an expenditure in this article.