To start integrating ONLYOFFICE Document Builder into your own application you need to do the following:
Download ONLYOFFICE Document Builder application and install it to your computerDownload
Select the programming language and download the code for the sample of ONLYOFFICE Document Builder integration into your application
Run the example on your computer to get acquainted with the basic ONLYOFFICE Document Builder features before you start creating your own application. If everything is alright you will see the example website page with the form elements like the ones below.
Or you can try and write the application yourself using the Builder.Framework.