Tools: Xiaomi 10, MIUI 1 1.0, WeChat 7.0.

1. First, in the open WeChat, click WeChat Group Chat, as shown in the figure below.

2. Then in the open WeChat group, open the chat box, as shown in the figure below.

3. Then in the chat box, find and enter @, as shown in the figure below.

4. At this time, you can select the desired Aite object in the WeChat group, as shown in the figure below.

5. After selecting the object, you can enter what you want to say, and then click the Send button, as shown in the figure below.