Passing Parameters from Actions

Parameter lists to methods, scripts, web services, and generated events are always enclosed in a PARAMS(…) function and delimited by commas. Each parameter is specified in one of these ways:

Syntax Direction Meaning
V(var) Input Pass in the value of the variable var.
expression Input

Pass in the value obtained by evaluating the expression

RV(var) Input and output

Pass in the value of the variable var, and place the output value into the same variable.