> For the complete documentation index, see [llms.txt](https://yupana-finance.gitbook.io/yupana-document-portal/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://yupana-finance.gitbook.io/yupana-document-portal/developer-space/ytoken-contract-methods/pricecallback.md).

# priceCallback

Update `lastPrice` and `priceUpdateTime` values for `token` in storage with the received value.

{% hint style="danger" %}
This entrypoint receives calls only from [`PriceFeedProxy`](/yupana-document-portal/developer-space/pricefeed-contract.md), which `address` stored inside `storage.priceFeedProxy` record of contract storage.
{% endhint %}