javascript - How does WeChat development actively push messages to users?

As shown in the picture, this was proactively pushed to me. How to achieve it?

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As shown in the picture, this was proactively pushed to me. How to achieve it?

Template message interface in public account development

Template message, provided that you know the openId of the public account followers.

Enter the backend of the official account, the template message on the left. Compare the document of the template message.

1. It can be sent using the message template in the WeChat system background. 2. It can push messages through the development interface