First name of customer; optional if company is used, i.e.: you may use FormatCHAR(1..50)
Payment specific:
| Payment/request type | Comments |
|---|---|
| PNT | Combination of firstname + lastname is limited to 27 characters |
| BCT | firstname / lastname are always mandatory |
| KLV, KLS | firstname / lastname are always mandatory |
| PYV, PYM, PYS, PYD | firstname / lastname are always mandatory |
| PDT | firstname is optional |
| PSC | firstname / lastname are always mandatory |
| addresscheck | firstname / lastname are always mandatory |
| consumerscore | firstname / lastname are always mandatory |