In recounting the events of Rama’s life to Janaki during the Ashokavana and to Bharata in Ayodhya, Hanuman gets to be the frst narrator from the Ramayana. Legend also has it which the Sanskrit drama Mahanataka or Hanuman-nataka was authored by Hanuman and inscribed by him over the rocks https://www.youtube.com/watch?v=ufkmD95y7fE