It gets the current user (the subscriber) and the E-mail address of the subscription being added.
它将获得当前用户(订阅者)和正在添加的订阅的电子邮件地址。
2
This operation takes an endpoint address, which is returned by a subscription operation, and an array of extensibility parameters (which I did not use in this implementation).
此操作接受端点地址(由订阅操作返回)和可扩展参数数组(本实现中未使用)作为参数。
3
Some are as simple as an inmate complaining about not receiving his subscription or writing with a change of address. Others are personal reflections on a recent article.