Which of the following correctly shows how an outbound contact's first name displays in a...

The correct format to display an outbound contact's first name in a preview mode within Genesys Cloud CX is {{Outbound.FirstName}}. This syntax uses double curly braces, which are recognized by the scripting engine to dynamically insert variable data into the script. When in preview mode, this format ensures that the variable Outbound.FirstName is replaced with the actual first name of the contact when the script is executed.