defmodule Your.Handler do
  @behaviour ExTwelveData.RealTimePrices.Handler
  
  @impl true
  def handle_price_update(price) do
    # Here you can process inbound price updates
    :ok
  end  
end

defmodule Your.Application do
  use Application
  alias ExTwelveData.RealTimePrices
  
  def start(_type, _args) do
    children = [
      {RealTimePrices, name: Your.Name, api_key: "abc", handler: Your.Handler},
    ]
    
    Supervisor.start_link(children, strategy: :one_for_one)
  end
end

# Send a list of Twelve Data symbols to subscribe to
ExTwelveData.RealTimePrices.subscribe(Your.Name, ["BTC/USD", "AAPL"])

# Use the PID or process name to address the messages
ExTwelveData.RealTimePrices.unsubscribe(Your.Name, ["AAPL"])

# This stops listening for all updates, while keeping the client running
ExTwelveData.RealTimePrices.reset(Your.Name)

def deps do
  [
    {:ex_twelve_data, "~> 0.1.0"}
  ]
end