Namaskaram swamy.
4000 divya prabhandham were rendered by azhwars in different time periods and generally there is one pala sruthi pasuram for every 10 pasurams (approximately). How one pala sruthi pasuram was uniformly rendered for every 10 pasurams by various azhwars. Did azhwars know about their divinity, since they have rendered pala sruthi.
adiyen
SriVaishnava dasan