How to apply a list of values in selectionformula in crystal report 8.5?

for exampe as in SQL we use '; where code in (list of values) ';How to apply a list of values in selectionformula in crystal report 8.5?
How did you define your ';list of values';? Is it defined as a parameter that allows multiple values? If so then add something like this to your Record Selection Formula:





{TABLE.COLUMN} in {?YOURPARAMETER}