The tracker is a standalone application that will solely be used for plotting the maps with the location of a user. The application will provide the following services. API to start the tracking This API will take the ItemToTrack(e.g Unique Identifier), Destination Address and Destination Lat & Long as Input Will Return the URL that will be automatically updated with - Route taken by the user - ETA of the technician from the point the page was loaded by the customer - A reactive web screen that will be automatically refreshed whenever the firebase real time database is updated. Firebase is being used here for storing the last known latitude and longitude of a technician based on the WO Number being monitored. The URL patterns will need to be confirmed, but it will be similar to