Configured action operations message:
Subject:

{HOSTNAME}:{TRIGGER.NAME}:{ITEM.LASTVALUE}:{EVENT.STATUS}
Message: {EVENT.ID} {TRIGGER.ID} {TRIGGER.SEVERITY} {DATE} {TIME} {ITEM.ID1}:{ITEM.NAME1}={ITEM.LASTVALUE1} {ITEM.ID2}:{ITEM.NAME2}={ITEM.LASTVALUE2} {ITEM.ID3}:{ITEM.NAME3}={ITEM.LASTVALUE3} {ITEM.ID4}:{ITEM.NAME4}={ITEM.LASTVALUE4} {ITEM.ID5}:{ITEM.NAME5}={ITEM.LASTVALUE5} {ITEM.ID6}:{ITEM.NAME6}={ITEM.LASTVALUE6} {ITEM.ID7}:{ITEM.NAME7}={ITEM.LASTVALUE7} {ITEM.ID8}:{ITEM.NAME8}={ITEM.LASTVALUE8} {ITEM.ID9}:{ITEM.NAME9}={ITEM.LASTVALUE9}

Configured action recovery operations message:
Subject: {HOSTNAME}

:

{TRIGGER.NAME}

:

{ITEM.LASTVALUE}

:*

{EVENT.STATUS}

*
Message:

{EVENT.ID} {TRIGGER.ID} {TRIGGER.SEVERITY} {DATE} {TIME} {ITEM.ID1}

:

{ITEM.NAME1}

=

{ITEM.LASTVALUE1} {ITEM.ID2}

:

{ITEM.NAME2}

=

{ITEM.LASTVALUE2} {ITEM.ID3}

:

{ITEM.NAME3}

=

{ITEM.LASTVALUE3} {ITEM.ID4}

:

{ITEM.NAME4}

=

{ITEM.LASTVALUE4} {ITEM.ID5}

:

{ITEM.NAME5}

=

{ITEM.LASTVALUE5} {ITEM.ID6}

:

{ITEM.NAME6}

=

{ITEM.LASTVALUE6} {ITEM.ID7}

:

{ITEM.NAME7}

=

{ITEM.LASTVALUE7} {ITEM.ID8}

:

{ITEM.NAME8}

=

{ITEM.LASTVALUE8} {ITEM.ID9}

:

{ITEM.NAME9}

=

{ITEM.LASTVALUE9}

The sample message is below:
[2023-01-03 16:22:41] alarm_server 10.10.10.10:服务器可用内存比例小于5%:99.050556:PROBLEM 9346186
535923
Disaster
2023.01.03 16:22:40
975279:Available memory in %=99.050556
UNKNOWN:UNKNOWN=UNKNOWN
UNKNOWN:UNKNOWN=UNKNOWN
UNKNOWN:UNKNOWN=UNKNOWN
UNKNOWN:UNKNOWN=UNKNOWN
UNKNOWN:UNKNOWN=UNKNOWN
UNKNOWN:UNKNOWN=UNKNOWN
UNKNOWN:UNKNOWN=UNKNOWN
UNKNOWN:UNKNOWN=UNKNOWN

[2023-01-03 16:24:40] alarm_server 10.10.10.10:服务器可用内存比例小于5%:99.050348:RESOLVED 9346186
535923
Disaster
2023.01.03 16:24:40
975279:Available memory in %=99.050348
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
1. Why macro

{EVENT.STAUS} in recovery operations returns 'RESOLVED', not 'OK'?
2. macro {EVENT.STAUS}

's values is 'PROMLEM/OK' or 'PROMLEM/RESOLVED'?

I find it all returns OK in the site below:
https://www.zabbix.com/documentation/6.2/en/manual/config/notifications/action/operation/macros?hl=EVENT.STATUS
https://support.zabbix.com/browse/ZBX-17194