product.product.tree product.product tree Review Your Expenses Products ir.actions.act_window product.product form tree,form [('hr_expense_ok','=',True)] Define one product for each expense type allowed for an employee (travel by car, hostel, restaurant, etc). If you reimburse the employees at a fixed rate, set a cost and a unit of measure on the product. If you reimburse based on real costs, set the cost at 0.00. The user will set the real price when recording his expense sheet. hr settings for expenses hr.config.settings form