## Presentation Device Driver Reference for OS/2

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### SplProtSendCmd Parameter - pfnPdSendCmd

pfnPdSendCmd (PFN) - input Port driver send-routine address.

This is the address of a function in the port driver that will be called to send commands to the printer. Only the BIDI converters will call this function. SplProtSendCmd calls SplPdSendCmd, which sends protocol-specific commands to the printer.