a woman was told by sydney hotel she could n't breastfeed in ' 18s only ' area .
she was directed to use the ` baby room ' instead - the hotel 's disabled toilet .
in australia , women have a right to breastfeed in public .
the federal sex discrimination act makes it illegal to discriminate against a person on the grounds of breastfeeding .
the hotel says it is a child and breastfeeding friendly venue .