# 如何使用折扣券？
视频教程：[如何报名参加 PropW 挑战 | #职业交易 #加密 #加密货币](https://www.youtube.com/watch?v=UYIxqDTFf3Y)\
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您获得/收到折扣券了吗？要使用它，您需要报名参加挑战。在挑战购买阶段（参见“[如何报名挑战？](https://docs.propw.com/documentation/documentation-en/getting-started/how-to-enroll-a-challenge)”），在选择您的账户后，您的折扣券将自动应用。
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在此阶段，您可以看到折后价格。如果尽管有优惠券但价格没有下降，请通过“帮助中心”或 电子邮件与我们联系。
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如果您拥有优惠券，系统会自动扣除最佳折扣。您可以在相关支付部分看到折后价格。应用优惠券后，请使用“接受并支付”按钮提交购买。
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如果您有多个代金券并想在它们之间切换，请打开下拉列表。您可以在列表中看到您的代金券。选择您要使用的优惠券。
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# Agent Instructions: Querying This Documentation
If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.
Perform an HTTP GET request on the current page URL with the `ask` query parameter:
```
GET https://docs.propw.com/documentation/documentation-zh/ru-he-shi-yong-zhe-kou-quan.md?ask=
```
The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.
Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.