Tai.Venues.Client.maker_taker_fees

You're seeing just the function maker_taker_fees, go back to Tai.Venues.Client module for more information.
Link to this function

maker_taker_fees(venue, credential_id)

Specs

maker_taker_fees(venue(), credential_id()) ::
  {:ok, {maker :: Decimal.t(), taker :: Decimal.t()} | nil}
  | {:error, shared_error_reason()}