Dublin footballer Ger Brennan (pictured on the right) was on hand to encourage people to become a 'Headstrong Hero' and abseil from the roof of Croke Park's Hogan Stand to the pitch.
The event is in support of Headstrong, a charity that supports young people suffering from mental health difficulties.
The event takes place on April 18 and the charity is looking for 50 people to take part. Those who sign up will be set a target of raising €300 by April 3.
One of the charity's key goals is that every Irish child will have at least one 'good adult' in their life.
The charity operates a series of 'Jigsaw' projects in different communities across the country aiming to
In Dublin, Jigsaw projects are located in Clondalkin, Blanchardstown, Balbriggan, and Tallaght.
The charity is currently looking for a project manager for the Jigsaw project in Tallaght and a fundraising manager for the charity as a whole.
Also present at yesterday's launch were Donegal footballer Paul Durcan (left), Kerry footballer Marc O'Se and Cork camogie star Ashling Thompson.
Those interesting in applying to take part in the abseiling event should visit www.headstrong.ie for more information.