Pass Multiple values as choice for Passing parameters in Crystal Reports

Hello All,

Greetings, I am a new bee at SAP B1.My question is that like in several reports in-built in SAP.How can i pass a list of values for parameters passing in Crystal Reports for SAP B1,eg.list of customers.

I have knowl;dege about displaying it in drop-down list but the thing i want to know is how to do the same using CFL [Choose from List] button.

Thanks in advance.