hy expert,
the module is MM,
i have a select option: sobkz for mseg-sobkz.
but i want to check that the value the user enter is only
'V', or
'W' or,
'E' or,
'K' or,
'M' or,
'Q' or.
how can i check that the sobkz is in those 6 value (or range of value)?
thank you.