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Type:
Problem report
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Resolution: Won't fix
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Priority:
Trivial
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None
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Affects Version/s: 3.0.32rc1
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Component/s: Server (S)
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None
Action->Operations configuration is below:

but sometimes the Macros with {HOSTNAME}and {ITEM.LASTVALUE} return UNKNOWN, eg:
[2022-12-22 11:21:31] cdb_alarm_mysql {*}UNKNOWN:MySQL Down:UNKNOWN{*}:PROBLEM 389985921
3870241
Disaster
2022.12.22 11:21:30
UNKNOWN:UNKNOWN=UNKNOWN
UNKNOWN:UNKNOWN=UNKNOWN
UNKNOWN:UNKNOWN=UNKNOWN
UNKNOWN:UNKNOWN=UNKNOWN
UNKNOWN:UNKNOWN=UNKNOWN
UNKNOWN:UNKNOWN=UNKNOWN
UNKNOWN:UNKNOWN=UNKNOWN
UNKNOWN:UNKNOWN=UNKNOWN
UNKNOWN:UNKNOWN=UNKNOWN
So why {HOSTNAME}and {ITEM.LASTVALUE} return *UNKNOWN?*