keyboard apple script 1

-- List of key codes:
-- http://macbiblioblog.blogspot.com/2014/12/key-codes-for-function-and-special-keys.html
on run
    tell application "MyApplication"
        activate
    end tell
    tell application "System Events"
        -- cmd+arrow down
        key code 125 using {command down}
        -- Just in case
        delay 0.2
        -- cmd+control+, (System Preferences > Keyboard > Shortcuts  > Keyboard > Move focus to next window)
        key code 50 using {command down}
        -- Just in case
        delay 0.2
        -- cmd+arrow down
        key code 125 using {command down}
    end tell
end run