network request event phase

I dont get any response using the following code for event.phase while I get response when changing “began” to “ended”. Shouldn’t be a response to “began” and “progress”?

local function networkListener( event )

 if event.phase ==“began” then

   phase = display.newText( “test”, 150, 350, 250,500,native.systemFont, 16 )

  

  end

end

network.request( “https://www.google.com”, “GET”, networkListener )