To create Google Sheets records from Box without manual input, use a ready-made scenario.
Starts when: On Mail Received
Then: Get Message ID
Then: Get Attachments
Check: Loop Over Items
Then: Notify User
Then: Get Folder ID
Then: Download Attachment
Then: Upload to OneDrive
Then: Set Filename
Then: Append to Excel Log
You can launch this Box + Google Sheets integration in Scriptera: describe the task in plain words — the scenario is built, launched and monitored for you.