Section 7.7: Callbacks Up Chapter 7: 4GL Language Chapter 8: Help system 

7.8 Barcodes

The following description has been supplied by Michael Krauss (mike@holzamer.de):
The supported barcodes in PDFREPORT are:
The PDFREPORT statement to set the barcode type is:
BARCODE TYPE exp
where exp is one of:
”8”, ”13”, ”25”, ”39”, ”QR”
but the system is tolerant of variations such as:
”ean8”, ”ean-8”, ”ean13”, ”ean-13”
or upper case variants of these.
 Section 7.7: Callbacks Up Chapter 7: 4GL Language Chapter 8: Help system