Which visitors will receive SMS notification when they visit?

1. Before visiting Mr. Wang, the customers who had already negotiated in Wangpu had already negotiated with Mr. Ma online through the enterprise. Mr. Ma is not in front of the computer today. When Mr. Wang visits, the system will send a short message to Mr. Ma. (Note: For the same visitor's visit, the system only sends a reminder once a day) 2. Visitors on the recommended visitors list will also send SMS reminders when they arrive at the store. Although Mr. Liu has not discussed it with Mr. Ma before, in the recommended visitor list,