How does Apple's mobile phone send contacts by SMS?

This question needs to be set in the telephone address book, and the specific steps are as follows:

Click on the Apple mobile phone and desktop mobile phone.

Click Address Book on the phone.

Click the name you want to copy, such as "Dad".

Click * * * to enjoy the contact.

Click on the information.

Copy the contact you want to share into the message, and then click Send.