How does the name of WeChat get a pattern?

How to get the wechat name with patterns? Wechat name setting expression tutorial

When changing the name, we can use the input method that comes with the iphone to input some characters:

As shown in the figure below:

Click on the group-> group chat name-> long press the small earth-> select emoticon-> click on the emoticon.

If the selected emoji item does not appear after pressing the Earth icon for a long time, you should set it in the system: Settings-> General-> Keyboard-> Keyboard-> Add New Keyboard-> Select Emoji.