#NEWLINE# @ property #NEWLINE# def data( self ) : #NEWLINE# #INDENT# msg = Message ( ) #NEWLINE# for carrier in self . carriers : #NEWLINE# #INDENT# msg . append ( Record ( 'urn:nfc:wkt:ac' , data = str ( carrier ) ) ) #NEWLINE# #UNINDENT# if ( self . error . reason is not None ) : #NEWLINE# #INDENT# msg . append ( Record ( 'urn:nfc:wkt:err' , data = str ( self . error ) ) ) #NEWLINE# #UNINDENT# return ( str ( self . version ) + str ( msg ) )