Nebula Logger - custom field mapping

CustomNebulaLoggerMapping.cls

public without sharing class CustomNebulaLoggerMapping {
    
    @InvocableMethod
    public static void mapCustomFields(List<Nebula__LogEntryEvent__e> events) {
        // Build up the list of event UUIDs
        List<String> eventUuids = new List<String>();
        for (Nebula__LogEntryEvent__e event : events) {
            eventUuids.add(event.EventUuid);
        }
        
        // Query the relevant Log Entry records
        Map<String, Nebula__LogEntryEvent__e> uuidToEvent = new Map<String, Nebula__LogEntryEvent__e>();
        for (Nebula__LogEntry__c logEntry : [SELECT Id, EventUuid__c FROM Nebula__LogEntry__c WHERE EventUuid__c IN :eventUuids]) {
            uuidToEvent.put(logEntry.EventUuid__c, logEntry);            
        }
        
        // Update them
        for (Nebula__LogEntryEvent__e event : events) {
            Nebula__LogEntry__c logEntry : uuidToEvent.get(event.EventUuid);
            logEntry.My_Field__c = event.My_Field__c;
        }
        update uuidToEvent.values();
    }

}