Do you use or administer OpenEMR? Take the General Satisfaction Survey to help improve the product

How to have an automatic serial invoice number generated

How to have an automatic serial invoice number generated ? I tried writing “XXX{yy}{mm}-{00000}” in the mask for invoice numbers in Administration and no luck. I had it working for patients mask by writing {00000}.

After searching the old topics can’t get a simple solution to have an invoice number automatically generated after payment is complete