Show a custom alert for messages from a sender

STEPS

How to do it

1. 1

   Open Shortcuts

   Open Shortcuts, choose Automation, and create a personal automation.

2. 2

   Choose how it starts

   Choose the trigger: A message arrives from a selected sender.

3. 3

   Add the Apple actions

   Add and arrange: Show a fixed custom notification.

4. 4

   Set values and permissions

   Choose the app, time, filter, destination, or value described above and approve only the requested on-device permissions.

5. 5

   Test and finish

   Choose Run Immediately if offered, tap Done, and test the automation once.