Record Numbering in VTiger is very limited. In Standard VTiger, you can only configure record numbers to have prefix and a sequence number. In most cases, this is not sufficient. We get a lot of requests to customize record numbering and add customer name as prefix, month, date or a custom field value. Here’s what we did for one of the customers:
The end result was:
SC1803101, SC1803102, SC1803103, etc..
AFF1803101, AFF1803102, AFF1803103, etc..