>>>There's a big difference between "'AAAA','BBBB','CCCC'" and 'AAAA': the quotes.
>>That't right, but without double quotes there will be three values, not one :)
>
>Yes, but probably this is the difference that makes it to work in the second case and not to work in the first one.

Truly speaking I tried all versions of substitution here, nothing works in case it is view parameter, and "'AAAA','BBBB','CCCC'" works just fine as myCodeVariable in case of substitution in
SELECT * FROM myTable WHERE INLIST(myCode,&myCodeVariable) INTO CURSOR myCursor