Order updates are sent via WhatsApp through automated messages. The customer would receive a WhatsApp update every time your order status changes or the order requires clarification. Each message would also contact a button to track the order via a dedicated order detail page where the customer can monitor the order status manually.
Here are a few screenshots which shows how a customer would receive order updates:
WhatsApp would also be used to send a smart verification message to verify the mobile number of the user and make sure it's not spam or a robot. Here is a screenshot to show how a smart verification message is sent to the customer before placing an order:
WhatsApp would also be used to send the picture of the bill clicked by you from the app after a successful payment. Here is a screenshot to show how a bill/invoice is sent to the customer:
If the order is ready for pickup, your customer would be updated via WhatsApp along with the directions to your pharmacy for easy navigation. Here is a screenshot to show how your customer would receive this update: