Topic
How to block or disable the usage of the "From" field within a "Send Notification" action in Nintex Workflow?
Instructions
1. Navigate to Central Administration > Nintex Workflow Management > Global Settings (2010, 2013), Central Administration > Nintex Administration > Messaging and notifications (2016, 2019)
2. Set the option "Allow sending notifications on behalf of another user" to "No"
3. Perform an IISReset
The "From" field in the Send Notification Action will disappear.