机器人可以从用户处接收图像作为消息或附件吗

我希望用户能够将图像作为消息发送给机器人。这可能吗？。我在网上搜索了解决方案，但我很累。请有人至少可以分享给我一个链接吗？

Yes

来自nodejs文档here https://learn.microsoft.com/en-us/azure/bot-service/nodejs/bot-builder-nodejs-send-receive-attachments?view=azure-bot-service-3.0

// Create your bot with a function to receive messages from the user

var bot = new builder.UniversalBot(connector, function (session) {
    var msg = session.message;
    if (msg.attachments && msg.attachments.length > 0) {
     // Echo back attachment
     var attachment = msg.attachments[0];
        session.send({
            text: "You sent:",
            attachments: [
                {
                    contentType: attachment.contentType,
                    contentUrl: attachment.contentUrl,
                    name: attachment.name
                }
            ]
        });
    } else {
        // Echo back users text
        session.send("You said: %s", session.message.text);
    }
});

c#文档是here https://learn.microsoft.com/en-us/azure/bot-service/dotnet/bot-builder-dotnet-add-media-attachments?view=azure-bot-service-3.0