Hey there OzBargain,
First time posting a deal here, I am employed at McDonalds and recently got informed about this promotion.
Happy Ordering :)
For clarity, this is limited to a McCafé beverage including a McCafé espresso shot and excludes teas, hot chocolate, chai latte and frappes. Redeem the offer by applying it to your mobile order in the mymacca's® app. Not to be used in conjunction with any other offer or as part of an Extra Value Meal. Offer must be used in a single transaction. This offer must not be distributed to or redeemed by a child under 14 years. At participating restaurants only. Offer is valid for a limited time and may be revoked for any reason in McDonald's ultimate discretion. Additional charges may apply for extra shots, syrups and other variations. Offer will not contribute to your McCafé Punch Card.