Why my script transform failed with "No such property: org for class: Script8"

Wow, that works!

But I feel strange, because @spinscale gave me such a transform:

"transform" : {
        "script" : "time = org.joda.time.format.ISODateTimeFormat.dateTime().withZone(org.joda.time.DateTimeZone.forID(\"Europe/Berlin\")).parseDateTime(ctx.trigger.triggered_time.toString()).toString() ; return [ time_as_string : time ]"
      } 

Why he use org.joda.time.format.ISODateTimeFormat there?

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