PARAM="parameter[ parameter...]"

Enables any number of extra PLUGIN parameter(s) to be passed to a program being called by an EXECUTE command line, for example

<EXECUTE PLUGIN = "MYPROG.EXE" PARAM = "FIRST SECOND THIRD">

could run

MYPROG "EETMP12345.PRN" FIRST SECOND THIRD

(EETMP12345.PRN is an example name for the temporary file created by PLUGIN).