let basepath = "http://localhost:3001/api/v1/health" + req.route.path;
    const requestPayload = req.body;

    const arrayofQuery = Object.keys(req.query).map((key) => {
      return {
        key: key,
        value: req.query[key],
      };
    });

    console.log("Query Params", arrayofQuery ) //here query is printed as array of object, as expeted.

    const postmanCollection = new Collection({
      info: {
        name: "Sample Postman collection",
      },
      item: [],
    });

    const postmanRequest = new Item({
      name: req.route.path,
      request: {
        url: basepath,
        method: req.method,
        query: JSON.stringify(arrayofQuery),
        body: {
          mode: "raw",
          raw: JSON.stringify(requestPayload),
          options: {
            raw: {
              language: "json",
            },
          },
        },
        auth: null,
      },
      event: [],
    });
    console.log("Final Payload", postmanRequest) //here query is printed as []
    postmanCollection.items.add(postmanRequest);
    const collectionJSON = postmanCollection.toJSON();
 
    fs.writeFile(
      "./collection.json",
      JSON.stringify(collectionJSON, null, 2),
      (err) => {
        if (err) {
          console.log(err);
        }
        console.log("File saved");
      }
    );