How to get the expression in WeChat into SMS?

Wechat facial expressions can be found in the emoticon store as follows:

1. Open WeChat to go to your home page, and then click Expression.

2. Enter the emoticon store, click to view many emoticons, or click Search.

3. After searching, click to open the emoticon pack.

4. After opening it, you can choose to send it to a friend or add it to the expression.

5. After clicking Add to Expression, you can see it in the expression of chat.