**ShowPlay Reference Manual, Chapter 3 (ControlVariables): param_file**
===== Param_file -- The file containing the parameter list =====
Note: This character string parameter is set automatically by Showplay when you select a paradigm parameter file ([[jvs:cigal:showplay:manual:chapter1:ppf|PPF]]) to run using the Showplay command. You should not attempt to set this variable directly.

**See Also:**\\
[[jvs:cigal|CIGAL Home]], 
[[jvs:cigal:manual|CIGAL Manual]], 
[[jvs:cigal:showplay|ShowPlay Home]], 
[[jvs:cigal:showplay:manual|ShowPlay Manual]], 
[[jvs:cigal:showplay:manual:chapter3|InputParameters List]], 
[[jvs:cigal:showplay:manual:help|Manual Help]]