Restoring files from trash in Cuebasis no detail for IPad.
If you open FILES/ON MY IPAD or ICLOUD DRIVE/CUBASIS 3, open this folder and if you have recently deleted some files, open RECENTLY DELETED on the left, select your deleted file(s) and tap RECOVER on bottom left of window. If the file is not there, open the TRASH folder within in the CUBASIS folder, select the file(s), tap SHARE, then select where you want the files to go, in your case this will be Cubasis. If Cubasis is not displayed in SHARE, launch Cubasis and try sharing the deleted file again👍
Hope this helps
I forgot to add……
If you are recovering a MIDI File it will be placed in MEDIA/MIDI, (top left) if audio it will be placed in MEDIA/AUDIO/My Audio Files