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BYVAL variable [AS type]
 
    ■ The BYVAL attribute in the parameter list of a DECLARE
      statement passes the value of the specified variable to the
      procedure. BYVAL cannot be applied to string parameters.
 
See Also    ◄DECLARE (BASIC)►    ◄CALL (BASIC)►
            ◄CALL, CALLS (Non-BASIC)►   ◄DECLARE (Non-BASIC)►