ppId（推荐使用AppId，需要先注册）</dd><dt><span class="parameter">toUserOpenId</span></dt><dd>类型：<a href="https://docs.microsoft.com/dotnet/api/system.string" target="_blank">System<span id="LST358DD35A_2"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST358DD35A_2?cs=.|vb=.|cpp=::|nu=.|fs=.");</script>String</a><br />填接收消息的用户openid</dd><dt><span class="parameter">templateId</span></dt><dd>类型：<a href="https://docs.microsoft.com/dotnet/api/system.st