// Data Action Configuration - Marketing Cloud Activation
{
  "name": "High_Value_Customer_Segment",
  "targetPlatform": "MARKETING_CLOUD",
  "segmentCriteria": {
    "calculatedInsight": "Customer_Lifetime_Value",
    "operator": "GREATER_THAN",
    "value": 5000
  },
  "activationFields": [
    "Email__c",
    "FirstName__c",
    "LastName__c",
    "LifetimeValue__c",
    "PreferredChannel__c"
  ],
  "schedule": {
    "frequency": "REAL_TIME",
    "batchSize": 1000
  }
}

// Apex: Create Data Action for Real-time Activation
public class DataCloudActivation {
  
  @InvocableMethod(label='Activate Customer Segment')
  public static void activateCustomerSegment(List<ActivationRequest> requests) {
    for(ActivationRequest request : requests) {
      // Query unified customer data
      List<UnifiedIndividual__dlm> customers = [
        SELECT Email__c, FirstName__c, LastName__c
        FROM UnifiedIndividual__dlm 
        WHERE Id IN :request.customerIds
      ];
      
      // Send to activation target
      callActivationAPI(customers, request.targetPlatform);
    }
  }
  
  private static void callActivationAPI(List<UnifiedIndividual__dlm> customers, String platform) {
    HttpRequest req = new HttpRequest();
    req.setEndpoint('callout:DataCloud_Activation');
    req.setMethod('POST');
    req.setHeader('Content-Type', 'application/json');
    req.setBody(JSON.serialize(customers));
    
    Http http = new Http();
    HttpResponse res = http.send(req);
    
    System.debug('Activation response: ' + res.getBody());
  }
  
  public class ActivationRequest {
    @InvocableVariable public List<Id> customerIds;
    @InvocableVariable public String targetPlatform;
  }
}