# Do annotations from setCustomDrawHandler make it to the downloadable file?

**URL:** <https://pdfjs.community/t/do-annotations-from-setcustomdrawhandler-make-it-to-the-downloadable-file/927>\
**Category:** Technical Support\
**Created:** [August 3, 2021, 5:31pm UTC](https://pdfjs.community/t/do-annotations-from-setcustomdrawhandler-make-it-to-the-downloadable-file/927 "2021-08-03T17:31:03Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![system](https://canada1.discourse-cdn.com/flex031/uploads/pdfjscommunity/original/1X/ffbcd25c7d423db8d5acd5db201c272f4db306dd.png) [@system](https://pdfjs.community/u/system)\
**Post date:** [August 3, 2021, 5:31pm UTC](https://pdfjs.community/t/do-annotations-from-setcustomdrawhandler-make-it-to-the-downloadable-file/927/2 "2021-08-03T17:31:08Z")

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**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)
- [XFDF format - In PDF.js Express Web Viewer](https://pdfjs.express/documentation/annotation/xfdf#in-pdf.js-express-web-viewer)
- [Customize display authors for annotations - Map a userId to a Display Author](https://pdfjs.express/documentation/annotation/display-authors#map-a-userid-to-a-display-author)

APIs:
- [CoreControls.DocumentViewer - setDocumentXFDFRetriever(retriever)](https://pdfjs.express/api/CoreControls.DocumentViewer.html#setDocumentXFDFRetriever__anchor)
- [Annotations - setCustomSerializeHandler(annotationClass, serializeHandler)](https://pdfjs.express/api/Annotations.html#.setCustomSerializeHandler__anchor)
- [CoreControls.Math.Rect - exportNormalize()](https://pdfjs.express/api/CoreControls.Math.Rect.html#exportNormalize__anchor)

Forums:
- [Numbering Annotations For Shapes (Rect, Ellipse, Cloud)](https://pdfjs.community/t/numbering-annotations-for-shapes-rect-ellipse-cloud/913/6)
- [Change style to sticky annotation](https://pdfjs.community/t/change-style-to-sticky-annotation/912/1)
- [After upgrading from Pdfjs 7.1.2 to 7.3.0, setCustomDrawHandler is creating problem as ‘Invalid Pdf Structure’](https://pdfjs.community/t/after-upgrading-from-pdfjs-7-1-2-to-7-3-0-setcustomdrawhandler-is-creating-problem-as-invalid-pdf-structure/553/1)

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