multiple-lines.ex

  def route_message(
    %Entry{
      messaging: [
        %Messaging{
          sender_id: sender_id,
          recipient_id: recipient_id,
          message: %Message{text: text} = message
        } = messaging
      ]
    } = entry) do

  end

single-line-no-structs.ex

def route_message(%{messaging: [%{sender_id: sender_id, recipient_id: recipient_id, message: %{text: text} = message} = messaging]} = entry) do
end

single-line.ex

  def route_message(%Entry{messaging: [%Messaging{sender_id: sender_id, recipient_id: recipient_id, message: %Message{text: text} = message} = messaging]} = entry) do

  end