diff --git a/integration-test/src/step_definitions/common.js b/integration-test/src/step_definitions/common.js
index f068f58..3e58679 100644
--- a/integration-test/src/step_definitions/common.js
+++ b/integration-test/src/step_definitions/common.js
@@ -110,8 +110,8 @@ function createEvent(id, status, orgCode, iuv) {
 				"userStatusDescription": "REGISTERED_SPID"
 			},
 			"transaction": {
-				"idTransaction": 123456,
-				"transactionId": 123456,
+				"idTransaction": "123456",
+				"transactionId": "123456",
 				"grandTotal": 0,
 				"amount": 0,
 				"fee": 0
diff --git a/src/main/java/it/gov/pagopa/receipt/pdf/helpdesk/entity/event/Transaction.java b/src/main/java/it/gov/pagopa/receipt/pdf/helpdesk/entity/event/Transaction.java
index 6b45e8b..668b128 100644
--- a/src/main/java/it/gov/pagopa/receipt/pdf/helpdesk/entity/event/Transaction.java
+++ b/src/main/java/it/gov/pagopa/receipt/pdf/helpdesk/entity/event/Transaction.java
@@ -10,7 +10,8 @@
 @Builder
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class Transaction {
-	private long idTransaction;
+	private String idTransaction;
+	private String transactionId;
 	private long grandTotal;
 	private long amount;
 	private long fee;
diff --git a/src/main/java/it/gov/pagopa/receipt/pdf/helpdesk/entity/event/enumeration/UserType.java b/src/main/java/it/gov/pagopa/receipt/pdf/helpdesk/entity/event/enumeration/UserType.java
index 61e9962..b29eabe 100644
--- a/src/main/java/it/gov/pagopa/receipt/pdf/helpdesk/entity/event/enumeration/UserType.java
+++ b/src/main/java/it/gov/pagopa/receipt/pdf/helpdesk/entity/event/enumeration/UserType.java
@@ -10,5 +10,9 @@ public enum UserType {
 	@Value("F")
     F, 
     @Value("G")
-    G
+    G,
+    @Value("GUEST")
+    GUEST,
+    @Value("REGISTERED")
+    REGISTERED
 }
diff --git a/src/test/java/it/gov/pagopa/receipt/pdf/helpdesk/service/impl/BuildTemplateServiceImplTest.java b/src/test/java/it/gov/pagopa/receipt/pdf/helpdesk/service/impl/BuildTemplateServiceImplTest.java
index 0e485b9..9e59a1f 100644
--- a/src/test/java/it/gov/pagopa/receipt/pdf/helpdesk/service/impl/BuildTemplateServiceImplTest.java
+++ b/src/test/java/it/gov/pagopa/receipt/pdf/helpdesk/service/impl/BuildTemplateServiceImplTest.java
@@ -43,7 +43,7 @@ class BuildTemplateServiceImplTest {
     public static final String REMITTANCE_INFORMATION = "TARI 2021";
     public static final String IUR = "IUR";
     public static final String BRAND = "MASTER";
-    public static final long ID_TRANSACTION = 1L;
+    public static final String ID_TRANSACTION = "1";
     public static final String RRN = "rrn";
     public static final String AUTH_CODE = "authCode";
     public static final String DATE_TIME_TIMESTAMP_MILLISECONDS_DST_WINTER = "2023-11-14T19:31:55.484065";
diff --git a/src/test/java/it/gov/pagopa/receipt/pdf/helpdesk/service/impl/GenerateReceiptPdfServiceImplTest.java b/src/test/java/it/gov/pagopa/receipt/pdf/helpdesk/service/impl/GenerateReceiptPdfServiceImplTest.java
index 8a0b514..9bb2ecb 100644
--- a/src/test/java/it/gov/pagopa/receipt/pdf/helpdesk/service/impl/GenerateReceiptPdfServiceImplTest.java
+++ b/src/test/java/it/gov/pagopa/receipt/pdf/helpdesk/service/impl/GenerateReceiptPdfServiceImplTest.java
@@ -652,7 +652,7 @@ private BizEvent getBizEvent(Payer payer) {
                 .transactionDetails(TransactionDetails.builder()
                         .wallet(WalletItem.builder().info(Info.builder().brand("MASTER").build()).pagoPa(false).favourite(false).build())
                         .transaction(Transaction.builder()
-                                .idTransaction(1L)
+                                .idTransaction("1")
                                 .grandTotal(0L)
                                 .amount(7000L)
                                 .fee(200L)