A question about WeChat development

A shares the business card of official account X to B, and when B follows official account

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A shares the business card of official account X to B, and when B follows official account

There is no way to bring the sharer's information when sharing a business card. You can consider some alternatives, such as using a temporary QR code with parameters:
When sharing, generate a temporary QR code with parameters, and combine the key of the QR code with A's personal information is stored in K-V form, and then A sends the QR code to B;
After B scans the code to follow, WeChat will push an attention event to the server, and bring the key of the scanned QR code. According to this key You can find the personal information of QR code sharer A

The official name of key is scene value ID: scene_str

Documentation link: https://mp.weixin.qq.com/wiki...