How do I global variables in a string loaded from a json file?

I have this array file that I store different sentences that will load different messages on a text object. The thing I can't figure out is how to write inside the json file a global variable so that when I set the text to my text object to look like this:

Later today John will go ouside.

and not like this:

Later today "&playerName&" will go ouside.

Thanks!

As far as I know, there's no way to do this directly, but you can use the replace expression to do what you need. Just decide on a naming convention for the tokens that need to be replaced.

e.g.:

aString = "Hello, dear $PlayerName"

replace(aString,"$PlayerName",PlayerName)