# Let the countdown begin!
Let the countdown begin! CrossFi Swap Opportunity (CSO) is a 1-day-only Swap-and-Burn event that allows participants to witness earn liquidity and profits as an investor in CrossFi. Barter your CRFI tokens for cFILs (1:1 pegged synthetic filecoin) and earn amazing interests
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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.crossfimain.com/english/announcement/let-the-countdown-begin-1.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.
CrossFi Swap Opportunity (CSO) is a 1-day-only Swap-and-Burn event that allows participants to witness earn liquidity and profits as an investor in CrossFi. Barter your CRFI tokens for cFILs (1:1 pegged synthetic filecoin) and earn amazing interests
---
# 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.crossfimain.com/english/announcement/let-the-countdown-begin-1.md?ask=