how to call in workflow System property to check user selected on catalog form

[Chiranjeevi K]

I have field called "requestor_director"(reference type from grp member table) and  need check the user is selected on the catalog form  should be from the names given in the system property of string type can someone give ldea how to call comma seprated sys property in workflow activity to check user selected on variable

[Zach Koch · Accepted solution]

Here is a link that explains how to get the value from a system property and check the array for a particular value.

Getting system property array