WeChat.MiniProgram.Code.create_qrcode

You're seeing just the function create_qrcode, go back to WeChat.MiniProgram.Code module for more information.
Link to this function

create_qrcode(client, path, width \\ 430)

Specs

create_qrcode(WeChat.client(), path(), width()) :: WeChat.response()

生成的小程序二维码 - 官方文档

获取小程序二维码,适用于需要的码数量较少的业务场景。通过该接口生成的小程序二维码,永久有效,有数量限制, 详见获取二维码