text: module.exports = function (context, req) {
  
      var bookmark = context.bindings.bookmark
      if(bookmark){
              context.res = {
              status: 422,
              body : "Bookmark already exists.",
              headers: {
              'Content-Type': 'application/json'
              }
          };
      }
      else {
          
          // Create a JSON string of our bookmark.
          var bookmarkString = JSON.stringify({ 
              id: req.body.id,
              url: req.body.url
          });
  
          // Write this bookmark to our database.
          context.bindings.newbookmark = bookmarkString;
  
          // Push this bookmark onto our queue for further processing.
          context.bindings.newmessage = bookmarkString;
  
          // Tell the user all is well.
          context.res = {
              status: 200,
              body : "bookmark added!",
              headers: {
              'Content-Type': 'application/json'
              }
          };
      }
      context.done();
  };