2 oz blended lightly aged Jamaican rum¾ oz passion fruit syrup¾ oz lime juice½ oz pineapple juice¼ oz maraschino liqueur¼ oz Campari
instructions :

Shake all of the ingredients with 1 cup of crushed ice.
Strain into a mug and add more crushed ice to fill.
Garnish.

source :
imbibemagazine.com