# PDF file download progress callback

**URL:** <https://pdfjs.community/t/pdf-file-download-progress-callback/1207>\
**Category:** Technical Support\
**Tags:** pdfjs-express\
**Created:** [November 30, 2021, 3:57pm UTC](https://pdfjs.community/t/pdf-file-download-progress-callback/1207 "2021-11-30T15:57:25Z")\
**Posts on this page:** 1\
**Showing post:** 3

<div class="post-metadata">

**Author:** ![system](https://canada1.discourse-cdn.com/flex031/uploads/pdfjscommunity/original/1X/ffbcd25c7d423db8d5acd5db201c272f4db306dd.png) [@system](https://pdfjs.community/u/system)\
**Post date:** [November 30, 2021, 3:57pm UTC](https://pdfjs.community/t/pdf-file-download-progress-callback/1207/3 "2021-11-30T15:57:30Z")

</div>

**Hello, I’m Ron, an automated tech support bot 🤖**

While you wait for one of our customer support representatives to get back to you, please check out some of these documentation pages:

Guides:
- [Real-time collaboration client](https://pdfjs.express/documentation/collaboration/realtime-collaboration-client.8)
- [Extract XFDF using the Express REST API - Body params](https://pdfjs.express/documentation/utils/extract#body-params)
- [Forwarding headers](https://pdfjs.express/documentation/utils/headers)

APIs:
- [Core.Document - rotatePages(pageArray, rotation)](https://pdfjs.express/api/Core.Document.html#rotatePages__anchor)
- [Core.DocumentViewer - setPageVisibilityCallback(callback)](https://pdfjs.express/api/Core.DocumentViewer.html#setPageVisibilityCallback__anchor)
- [Adding a download button](https://pdfjs.express/api/utils/tutorial-Adding%20a%20download%20button.html#__anchor)

Forums:
- [Custom trigger to hyperlinks / link and goto that are already created in original PDF](https://pdfjs.community/t/custom-trigger-to-hyperlinks-link-and-goto-that-are-already-created-in-original-pdf/505/1)
- [How can I specify name for the pdf file that will be downloaded](https://pdfjs.community/t/how-can-i-specify-name-for-the-pdf-file-that-will-be-downloaded/681/1)
- [Storing staticfiles on a separate subdomain](https://pdfjs.community/t/storing-staticfiles-on-a-separate-subdomain/828/3)

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