What is a paloma drink made of?

Palomas contain tequila, lime juice and grapefruit soda. Grapefruit soda can be subbed for fresh grapefruit juice and sparkling water, like in the PATRÓN Paloma, a refreshing twist on the classic cocktail. It also contains agave syrup, the sweetness of which perfectly balances the oak flavor of PATRÓN Reposado.

What is a paloma drink made of?