Tai.VenueAdapters.Gdax.Stream.ProcessOrderBook.to_name

You're seeing just the function to_name, go back to Tai.VenueAdapters.Gdax.Stream.ProcessOrderBook module for more information.
Link to this function

to_name(venue_id, venue_symbol)

Specs

to_name(venue_id(), venue_symbol :: String.t()) :: atom()