"if (script exist \"math.addition.exe\";) {script delete \"math.addition.exe\";};
script create exe \"math.addition\" true 1 
  (param
  	(var \"[v1]\" {true} \"The number 1\" is_null:true is_empty:true \"10\")
  	(var \"[v2]\" {type is_double [v2]} \"The number 2\" is_null:true is_empty:true \"20\")
  ;) 
  \"Make an addition ...\" 
{
	log write \"My message ...\" OK \"cmd\" 425;
	
	+ [v1] [v2];
	
} \"Return the result of the addition\";
script set delay \"math.addition.exe\" 0 day {1};
";