# AddQuerystringParam `AddQuerystringParam(Key, Value)` `Key-{String}` `Value-{Variant}` 添加要在`FormattedResource`中使用的querystring参数以进行请求。 ``` Dim Request As New WebRequest Request.Resource = "messages" Request.AddQuerystringParam "from", "Tim" Request.FormattedResource '// = "messages?from=Tim" ```