> For the complete documentation index, see [llms.txt](https://edu.ozeform.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://edu.ozeform.io/e-form-developer/day-3.md).

# Day 4: OZ e-Form Application

## Objectives

1. How to deploy OZ Server and OZ viewer to the application server
2. How to upload OZ e-Form files to the OZ server
3. How to embed OZ HTML5 viewer in HTML application
4. OZ viewer API concepts
5. How to prefill forms using parameters (practice)
6. How to check input validation (practice)
7. How to extract input data (practice)
8. How to export forms as PDF (practice)

👉 JavaScript, HTML, and Web Application Server experiences are required.


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