This addon is intended for users who want to track their packages from shipping to delivery. You can track your shipment and see when it was sent, how long it took and when it was delivered. You can see both the origin and the destination of the packages. The user provides a tracking number, which is usually a number or a combination of numbers and letters. The user writes these in one cell and in another cell he has to write the name of the carrier (e.g. DHL, UPS, FedEx etc.) Then use the functions. Custom functions take the tracking number and carrier name and send a request to our API. API will bering back a JSON with all the information about the package and depending on the which custom function were used, function will return part of the JSON to the cell. They can refresh the data for when the status of the packages has changed. We offer 10 free capacity , and after that they need to purchase more capacity. they need to go to this to register: https://app.globalpackagetracker.com/register