当我尝试在facebook上设置ChannelData时,我发现如果我没有附加任何附件,Facebook就不会在ChannelData中显示我附加的内容。例如:
如果我发送这个:
var channelData = new JObject();
var child = new JObject();
child.Add("content_type", "text");
child.Add("title", "Red");
child.Add("payload", "DEVELOPER_DEFINED_PAY