How to upload the file with the help of file picker.

Summary:

I'm following this video and I'm confused while creating the service connection media type selected Image/png but as per my requirement I want to upload any type of file for example pdf, excel ,doc etc. so for that what should i choose in rest service because there is no option to add any other media type or which media type should I choose.

Please guide me

https://blogs.oracle.com/shay/post/storing-image-files-in-your-database-from-a-visual-builder-app

Thanks

Pawanjit Kaur