How does Apple's mobile phone send messages to multiple people at the same time?

Apple phones can send messages to multiple contacts at the same time, as follows:

1, open the SMS icon on the mobile phone;

2. Then click the icon in the upper right corner to write short messages;

3. In the short message writing interface that pops up, click the plus button behind the recipient above;

4. Select the contact person who needs to send information in the pop-up interface;

5. After adding multiple contacts, fill in the short message;

6. Click the Send button to successfully send information to multiple contacts at the same time.