question: public boolean beginIsRequiredDisplay ( ChildDisplayEvent event ) { boolean required = false ; if ( ( requiredList != null ) && ! requiredList . isEmpty ( ) ) { String s = ( String ) requiredList . get ( curTile - 1 ) ; if ( ( s != null ) && ( s . length ( ) > 0 ) ) { required = true ; } } return required ; }
target:  begins display of required marked element