-- 1) Set only the puzzle timer (in seconds)
--    Next time the UI opens, it will use this time limit.
exports['cr-flow']:SetFlowTimer(15)

-- 2) Set only the puzzle grid size
--    5–9 → 5x5 up to 9x9 (values outside this range are clamped).
exports['cr-flow']:SetFlowGridSize(7)

-- 3) Run a one-shot Flow puzzle and get a boolean result
--    First argument  = grid size  (5–9)
--    Second argument = time limit (seconds)
local success = exports['cr-flow']:PlayFlowPuzzle(7, 18)

if success then
    -- player solved the puzzle in time
else
    -- player failed, ran out of time, or closed it
end