With MyDrive you can define a notification for each individual user and share link.
This way you will know immediately if any changes are made.
User: Activate messages
Open Settings > Users.
Activate Message for each user you want.
Shares: Activate messaging
Open Share Overview.
Activate Message for each desired share link.
Log in via Browser or APP.
New messages are displayed in the header by your login name with +number.
In the Messages window you will see the activities.