If you want to depart a donation to help operate and sustain the Temple, there are lots of hundis (donation packing containers) positioned throughout the Temple. A Hindu temple contains a Shikhara (Vimana or Spire) that rises symmetrically higher than the central core in the temple. These spires are available https://medium.com/@jameag789/hanuman-mandir-adelaide-a-divine-haven-for-devotees-55b956634e94