Because these functions work with recordset and input functions are processed before opening the database it is not possible to use all these functions in input syntax func{arg}. Functions that can be used in input syntax ($WBSR and $WBSRQ) have both syntax forms listed.
$WBDetail
$WBF
$WBRF
$WBFF
$WBFU
$WBFC
$WBP
$WBSR
$WBSRQ