Email notifications of Type Open can be sent to any email address on in an email address field type on the record.
In the Notification setup, you can enter the field name in square brackets. If there are multiple email address fields, I enter them vertically.
You can create an email field from a text field using a formula
The formula would simply be the field which is a text field type now.
I can probably help you further, if you better describe your use case. Like in plain English what are you trying to do?
I�m still not understanding if you are trying to provide Suppliers with a daily recap in one email of, for example, all open purchase orders fir that supplier or are you trying to notify them when a record is added for that supplier.
