How to embed a browser and access to http traffic monitor

I need to get to the cookie, but I do not know how to operate

thanks

local function requestListener( event )
local shouldLoad = true
local url = event.url
system.openURL( url )
return shouldLoad
end
local options = { hasBackground=false, baseUrl=system.ResourceDirectory, urlRequest=requestListener }
native.showWebPopup( "http://myurl/index.php", options )