Pini will compete in the 50m backstroke alongside team mates Nathan Nades and Peter Pokawin.
Three other events will also take place.
The 100m freestyle, will see Anna - Lisa Mopio-Jane, Savannah Tkatchenko and Barbara Vali - Skelton compete.
In the 200m freestyle will see Sam Seghers, Stanford Kawale and Bobby Akunaii take the pool.
