The general metaphor is to address app by version number and then the document directly, like so
tell application "Tinderbox 10"
-- add code here
end tell
However, while the above is the suggested form nesting a it is
Although it might make familiar sense to start addressing a general context in Tinderbox, e.g. to make a note, like so:
tell front window of front document
(WRONG!)
This generally does no work, as the Tinderbox AppleScript app Dictionary addresses notes, attributes, etc. via the host (TBX) document rather than via a specific window.
Correct is to use:
tell front document