How to convert a string to hex in TestStand

Hi everyone, I think this is a fairly easy question to answer but I am newer to TestStand.

In one step I am pulling in the Serial Number of a Device (which is alpha and numeric characters) and storing it as a String Local called Local.SerialNumberString.  In the following step I need to convert this Local to a Hex value and store it as Locals.SerialNumberHex

Here is the data representation I need to take place:

Locals.SerialNumberString = ABC123456

and would like to know of a function that would convert to the following:

Locals.SerialNumberHex = 414243313233343536

How can this be done?

Thanks so much!