alertcode
nounUK /əˈlɜːt kəʊd/
US /əˈlɝːt koʊd/
A special code that tells people something is wrong or needs attention.
The hospital sent an alertcode to all doctors when the emergency room got very busy.
OTHER MEANINGS
2. A secret set of letters or numbers used to turn on an alert system.
Only the security guard knew the alertcode to start the alarm.
3. A short message sent to phones to warn people about danger.
Everyone in the town got an alertcode about the big storm.
4. A label in a computer program that marks a warning message.
The programmer added an alertcode so the app would show a warning.