# File lib/heroku/client.rb, line 254
    def start(command, attached=false)
      @attached = attached
      @response = @client.post(
        "/apps/#{@app}/services",
        command,
        :content_type => 'text/plain'
      )
      @next_chunk = @response.to_s
      @interval = 0
      self
    rescue RestClient::RequestFailed => e
      raise AppCrashed, e.http_body  if e.http_code == 502
      raise
    end