This article explains how Spectrum can be integrated with Splunk.
Release : 22.2.x, 23.2.x
Component : Spectrum Core / SpectroSERVER
Yes, Splunk can be integrated with Spectrum.
If you want to send your traps to Splunk and have Spectrum process them you would need to use the Southbound Gateway:
If you want to have Spectrum Alarms forwarded to Splunk you would need to customize the AlarmNotifier SetScript: