Below are the steps to provide a link that can open a Customer record where the message is attached.
1. Navigate to Reports > Saved searches > All saved searches > New.
2. Click Message.
3. Go to Criteria tab > add all desired conditions.
4. Go to Results tab > add the following fields:
- Customer: Name
- Formula (Text)
Note: Use https://system.na1.netsuite.com/ if the account is in that data center
- * add other fields that you need *
5. Click Save & Run.