Wechat developer, how to add video and audio to picture and text messages

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Pictures can only be used in the content of picture and text messages in Wechat official documents, and video and audio are not mentioned, but the backend of Wechat public platform can upload videos manually. Who knows this problem?

Php Wechat-develops Wechat-public-platform

May.16,2022

MsgType are all different, how to mix

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