Custom email subject add {{msg}}

[Rudu-be]

⚠️ Please verify that this feature request has NOT been suggested before.

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🏷️ Feature Request Type

New Notification

🔖 Feature description

I want to make a email notification that just sends the MSG that is added in a push nutofication.
In the default Subject it is included.

✔️ Solution

Create a {{MSG}} tag like the other tags

(leave blank for default one)
{{NAME}}: Service Name
{{HOSTNAME_OR_URL}}: Hostname or URL
{{STATUS}}: Status

❓ Alternatives

No response

📝 Additional Context

No response

[CommanderStorm]

Resolved by #3414

Please see #4171 for the still needed changes until an inital beta of v2.0 is possible.