on script load:
    load json file "gson/test.json" as "gson"
    set {-file} to "gson/test.json"

command saveloc [<string>]:
    trigger:
        append data (player's location) with key arg-1 to json file {-file}
        send "Location &8(&e%player's location%&e)&r saved in the json File."

command teleport:
    trigger:
        set {_} to element "test" from json (loaded json "gson")
        send "Teleporting player to Location &8'&etest&8'"
        teleport player to {_}