设置 transaction_subject PayPal IPN
有谁知道如何在 PayPal 返回的 IPN 中设置 transaction_subject 。
目前，它返回的内容与我的自定义字段相同，尽管 PayPal 文档的说明如下：
“用于您自己的跟踪目的的传递变量，买家看不到。 默认值 – 没有变量传递回给您。 “
我需要它与自定义字段不同，因为交易主题显示在买家收到的电子邮件中，这意味着他们正在看到自定义字段的内容。
谢谢
Does anyone know how to set the transaction_subject in the return IPN from PayPal.
At the moment it is returning with the same content as my custom field even though the PayPal doc's say the following:
"Pass-through variable for your own tracking purposes, which buyers do not see.
Default – No variable is passed back to you. "
I need this to be different from the custom field because the transaction_subject is showing in the email that the buyer gets, which means they are seeing the contents of the custom field.
Thanks
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PayPal 开发人员似乎 X.commerce 不知道
transaction_subject变量的用途或如何设置 它。甚至 PayPal 的示例 IPN 消息（表靠近底部） 没有提供有关该变量的注释。最后，PayPal 的 IPN 和PDT 变量 和付款标准 HTML 变量参考 不列出它。在解析我们的 IPN 时，
transaction_subject始终包含custom传递变量的值，但我不知道这两个值都会显示给买家。在 HTML 表单中使用 NVP 设置
transaction_subject对其值没有影响。请联系商家技术支持，因为向买家显示的“传递”变量是一个错误。
It seems the PayPal developers on X.commerce do not know the purpose of the
transaction_subjectvariable or how to set it. Even PayPal's sample IPN message (table near bottom) provides no notes about the variable. Finally, PayPal's IPN & PDT Variables and Payments Standard HTML Variable Reference do not list it.In parsing our IPNs,
transaction_subjectalways contains the value of thecustompass-through variable, but I am unaware that either are shown to the buyer.Setting
transaction_subjectusing NVP within the HTML form has no effect on its value.Contact merchant technical support because a "pass-through" variable displaying to the buyer is a bug.
我看到 transaction_subject 设置为 item_name 或 item_number 的值，无法判断是哪一个，因为我将这两个值设置为相同的值。我没有看到它设置为“自定义”值，该值具有不同的值（实际上是传出的 Hosted_button_id）。这与
订阅按钮相关。I am seeing the transaction_subject set to the value of either item_name or item_number, can't tell which, as I am setting both those to the same value. I'm not seeing it set to the value of 'custom', which has a different value (in fact the outgoing hosted_button_id). This is in association with
Subscribebuttons.我正在使用 /js/paypal-button.min.js？形式方法。如果我设置
data-custom="{mycustomvar:3}"
IPN 结果显示 "transaction_subject":"{mycustomvar:3}"
I am using the /js/paypal-button.min.js? form method. if I set
data-custom="{mycustomvar:3}"
the IPN result shows "transaction_subject":"{mycustomvar:3}"