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ON KEY(n%) GOSUB {linenumber | linelabel}
 
    ■ n%              An integer expression; the number of a function
                      key, direction key, or user-defined key.
    ■ linenumber or   The first line of the event-handling routine to
      linelabel       branch to when a function key, direction key,
                      or user-defined key is pressed.
 
See Also    ◄KEY (Event Trapping)►    ◄KEY (Assignment)►    ◄EVENT►