Does it apply to all the drinks bought or just the MyLink card holders?

The discount will be applied to all the hot drinks purchased by the MyLink card holder, but this number can only be up to the number of passengers on the ticket. For example, if there were 9 people travelling on the ticket purchased by the MyLink card holder, the card holder would receive a discount on all 9 applicable drinks. You can read the full terms and conditions for this promotion by clicking here.