diff --git a/salt/soc/files/soc/hunt.eventfields.json b/salt/soc/files/soc/hunt.eventfields.json
index 41e98339b..aa7c7fd1a 100644
--- a/salt/soc/files/soc/hunt.eventfields.json
+++ b/salt/soc/files/soc/hunt.eventfields.json
@@ -75,6 +75,7 @@
 	  "::modbus_detailed": ["soc_timestamp", "source.ip", "source.port", "destination.ip", "destination.port", "modbus.function", "log.id.uid" ],
 	  "::opcua_binary": ["soc_timestamp", "source.ip", "source.port", "destination.ip", "destination.port", "opcua.identifier_string", "opcua.message_type", "log.id.uid" ],
 	  "::opcua_binary_activate_session": ["soc_timestamp", "source.ip", "source.port", "destination.ip", "destination.port", "opcua.identifier_string", "opcua.user_name", "log.id.uid" ],
+	  "::opcua_binary_activate_session_diagnostic_info": ["soc_timestamp", "source.ip", "source.port", "destination.ip", "destination.port", "opcua.activate_session_diag_info.link_id", "opcua.diag_info.link_id", "log.id.uid" ],
 	  "::opcua_binary_activate_session_locale_id": ["soc_timestamp", "source.ip", "source.port", "destination.ip", "destination.port", "opcua.local_id", "opcua.locale.link_id", "log.id.uid" ],
 	  "::opcua_binary_browse": ["soc_timestamp", "source.ip", "source.port", "destination.ip", "destination.port", "opcua.link_id", "opcua.service_type", "log.id.uid" ],
 	  "::opcua_binary_browse_description": ["soc_timestamp", "source.ip", "source.port", "destination.ip", "destination.port", "log.id.uid" ],