How to blacken Apple's mobile phone WeChat?

The steps of Apple's mobile phone WeChat to blackmail friends are as follows: (Demonstration using Google PIXEL3 XL mobile phone, Apple's mobile phone operation method is roughly the same)

1 丶 Open the mobile phone WeChat first, and click on the friend you want to hack as indicated by the arrow.

2. Click the three dot buttons in the upper right corner.

3. Choose to join the blacklist.

Finally, click the OK button in the lower right corner to add friends to the blacklist.