Tap on Attachments. The number on the upper right corner of the button tells how many attachments have been added to the asset.
If you want to take a picture with your mobile phone and add that as an attachment, tap on Take a picture.
If you want to select a file (photo, pdf, recording, video) from your device, tap on Select a file.
Or you can use the pc version, by
1. opening the asset
2. scroll down untill you see "attachments"
3. upload the desired file
4. Don't forget to save.
