Yuman offers you the possibility to add custom fields on your work order. Depending on your needs, it can be text, checkboxes to make a list, but also dates or whole or decimal numbers. The number of custom fields is unlimited.
Simply go to the "Settings > Custom Fields" tab.
You can choose whether or not to display each field on the PDF of the work order or on the invoice.
Customers, sites, equipment and contacts are also customizable.