I am using the search below
| metadata type=hosts | where recentTime < now() - 10800| eval lastSeen = strftime(recentTime, "%F %T") | fields + host lastSeen
I would like to add a field populated by somename that ends in "srx"
Jan 4 13:07:57 1.1.1.1 1 2024-01-04T13:07:57.085-05:00 5995-somename-srx rpd 2188 JTASK_SIGNAL_INFO [junos@2636.1.1.1.2.133 message-name="INFO Signal Info: Signal Number = " signal-number="1" name=" Consumed Count = " data-1="3"]
Use the eval command to add a field to your results.
| metadata type=hosts
| where recentTime < now() - 10800| eval lastSeen = strftime(recentTime, "%F %T")
| fields + host lastSeen
| eval newField="srx"
Sorry, I did not completely explain, - I would like it to return the full name ending in srx.
Only the fields provided by the metadata command can be displayed unless you add other commands that search indexes for names ending with "srx". If the desired field *is* returned by metadata then include it in the fields command then use where or search to filter the desired values.
| metadata type=hosts
| where recentTime < now() - 10800| eval lastSeen = strftime(recentTime, "%F %T")
| fields + host lastSeen
| search host="*srx"