Código: DEFINE VARIABLE hCall AS HANDLE. CREATE CALL hCall. FUNCTION get-description RETURNS CHAR (INPUT a AS INT, INPUT b AS CHAR): MESSAGE a b VIEW-AS ALERT-BOX INFO BUTTONS OK. END FUNCTION. hCall:CALL-NAME = "get-description". hcall:CALL-TYPE = 2. hCall:NUM-PARAMETERS = 2. hCall:SET-PARAMETER( 1, "INTEGER", "INPUT", 20). hCall:SET-PARAMETER( 2, "CHARACTER", "INPUT", "USA"). hCall:INVOKE. DELETE OBJECT hCall.