diff --git a/fineract-avro-schemas/src/main/avro/loan/v1/LoanTransactionAdjustmentDataV1.avsc b/fineract-avro-schemas/src/main/avro/loan/v1/LoanTransactionAdjustmentDataV1.avsc
index 1853e956a..cca7da97b 100644
--- a/fineract-avro-schemas/src/main/avro/loan/v1/LoanTransactionAdjustmentDataV1.avsc
+++ b/fineract-avro-schemas/src/main/avro/loan/v1/LoanTransactionAdjustmentDataV1.avsc
@@ -18,6 +18,17 @@
                 "null",
                 "org.apache.fineract.avro.loan.v1.LoanTransactionDataV1"
             ]
+        },
+        {
+            "default": null,
+            "name": "customData",
+            "type": [
+                "null",
+                {
+                    "values": "bytes",
+                    "type": "map"
+                }
+            ]
         }
     ]
 }
diff --git a/fineract-provider/src/main/java/org/apache/fineract/infrastructure/event/external/service/serialization/serializer/loan/LoanAdjustTransactionBusinessEventSerializer.java b/fineract-provider/src/main/java/org/apache/fineract/infrastructure/event/external/service/serialization/serializer/loan/LoanAdjustTransactionBusinessEventSerializer.java
index 8539d13cf..adec3eb6a 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/infrastructure/event/external/service/serialization/serializer/loan/LoanAdjustTransactionBusinessEventSerializer.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/infrastructure/event/external/service/serialization/serializer/loan/LoanAdjustTransactionBusinessEventSerializer.java
@@ -18,6 +18,7 @@
  */
 package org.apache.fineract.infrastructure.event.external.service.serialization.serializer.loan;
 
+import java.util.List;
 import lombok.RequiredArgsConstructor;
 import org.apache.avro.generic.GenericContainer;
 import org.apache.fineract.avro.generator.ByteBufferSerializable;
@@ -26,7 +27,8 @@ import org.apache.fineract.avro.loan.v1.LoanTransactionDataV1;
 import org.apache.fineract.infrastructure.event.business.domain.BusinessEvent;
 import org.apache.fineract.infrastructure.event.business.domain.loan.LoanAdjustTransactionBusinessEvent;
 import org.apache.fineract.infrastructure.event.external.service.serialization.mapper.loan.LoanTransactionDataMapper;
-import org.apache.fineract.infrastructure.event.external.service.serialization.serializer.BusinessEventSerializer;
+import org.apache.fineract.infrastructure.event.external.service.serialization.serializer.AbstractBusinessEventWithCustomDataSerializer;
+import org.apache.fineract.infrastructure.event.external.service.serialization.serializer.ExternalEventCustomDataSerializer;
 import org.apache.fineract.portfolio.loanaccount.data.LoanTransactionData;
 import org.apache.fineract.portfolio.loanaccount.domain.LoanTransaction;
 import org.apache.fineract.portfolio.loanaccount.service.LoanChargePaidByReadService;
@@ -35,11 +37,13 @@ import org.springframework.stereotype.Component;
 
 @Component
 @RequiredArgsConstructor
-public class LoanAdjustTransactionBusinessEventSerializer implements BusinessEventSerializer {
+public class LoanAdjustTransactionBusinessEventSerializer
+        extends AbstractBusinessEventWithCustomDataSerializer<LoanAdjustTransactionBusinessEvent> {
 
     private final LoanReadPlatformService service;
     private final LoanTransactionDataMapper mapper;
     private final LoanChargePaidByReadService loanChargePaidByReadService;
+    private final List<ExternalEventCustomDataSerializer<LoanAdjustTransactionBusinessEvent>> externalEventCustomDataSerializers;
 
     @Override
     public <T> boolean canSerialize(BusinessEvent<T> event) {
@@ -66,11 +70,16 @@ public class LoanAdjustTransactionBusinessEventSerializer implements BusinessEve
             newTransactionDetailAvroDto = mapper.map(newTransactionDetailData);
 
         }
-        return new LoanTransactionAdjustmentDataV1(transactionToAdjustAvroDto, newTransactionDetailAvroDto);
+        return new LoanTransactionAdjustmentDataV1(transactionToAdjustAvroDto, newTransactionDetailAvroDto, collectCustomData(event));
     }
 
     @Override
     public Class<? extends GenericContainer> getSupportedSchema() {
         return LoanTransactionAdjustmentDataV1.class;
     }
+
+    @Override
+    protected List<ExternalEventCustomDataSerializer<LoanAdjustTransactionBusinessEvent>> getExternalEventCustomDataSerializers() {
+        return externalEventCustomDataSerializers;
+    }
 }
diff --git a/fineract-provider/src/test/java/org/apache/fineract/infrastructure/event/external/service/serialization/serializer/loan/LoanAdjustTransactionBusinessEventSerializerTest.java b/fineract-provider/src/test/java/org/apache/fineract/infrastructure/event/external/service/serialization/serializer/loan/LoanAdjustTransactionBusinessEventSerializerTest.java
index af691bf31..1bbe3f7cd 100644
--- a/fineract-provider/src/test/java/org/apache/fineract/infrastructure/event/external/service/serialization/serializer/loan/LoanAdjustTransactionBusinessEventSerializerTest.java
+++ b/fineract-provider/src/test/java/org/apache/fineract/infrastructure/event/external/service/serialization/serializer/loan/LoanAdjustTransactionBusinessEventSerializerTest.java
@@ -19,17 +19,21 @@
 
 package org.apache.fineract.infrastructure.event.external.service.serialization.serializer.loan;
 
+import static java.nio.charset.StandardCharsets.UTF_8;
 import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.ArgumentMatchers.anyLong;
 import static org.mockito.Mockito.when;
 
 import java.math.BigDecimal;
+import java.nio.ByteBuffer;
 import java.time.LocalDate;
 import java.time.ZoneId;
 import java.time.format.DateTimeFormatter;
 import java.util.ArrayList;
 import java.util.HashMap;
+import java.util.List;
 import java.util.Map;
 import org.apache.fineract.avro.loan.v1.LoanTransactionAdjustmentDataV1;
 import org.apache.fineract.infrastructure.businessdate.domain.BusinessDateType;
@@ -41,6 +45,7 @@ import org.apache.fineract.infrastructure.event.business.domain.loan.LoanAdjustT
 import org.apache.fineract.infrastructure.event.external.service.serialization.mapper.loan.LoanTransactionDataMapperImpl;
 import org.apache.fineract.infrastructure.event.external.service.serialization.mapper.support.AvroDateTimeMapper;
 import org.apache.fineract.infrastructure.event.external.service.serialization.mapper.support.ExternalIdMapper;
+import org.apache.fineract.infrastructure.event.external.service.serialization.serializer.ExternalEventCustomDataSerializer;
 import org.apache.fineract.portfolio.loanaccount.data.LoanTransactionData;
 import org.apache.fineract.portfolio.loanaccount.domain.Loan;
 import org.apache.fineract.portfolio.loanaccount.domain.LoanTransaction;
@@ -87,8 +92,44 @@ public class LoanAdjustTransactionBusinessEventSerializerTest {
     @Test
     void loanTransactionReversedOnDateSerializationTest() {
         Loan loanForProcessing = Mockito.mock(Loan.class);
+        final List<ExternalEventCustomDataSerializer<LoanAdjustTransactionBusinessEvent>> externalEventCustomDataSerializers = List
+                .of(new ExternalEventCustomDataSerializer<>() {
+
+                    @Override
+                    public ByteBuffer serialize(final LoanAdjustTransactionBusinessEvent event) {
+                        return ByteBuffer.wrap("test_data_for_loan_adjust_transaction".getBytes(UTF_8));
+                    }
+
+                    @Override
+                    public String key() {
+                        return "test_key_1";
+                    }
+                }, new ExternalEventCustomDataSerializer<>() {
+
+                    @Override
+                    public ByteBuffer serialize(final LoanAdjustTransactionBusinessEvent event) {
+                        return ByteBuffer.wrap("test_data_for_loan_adjust_transaction_1".getBytes(UTF_8));
+                    }
+
+                    @Override
+                    public String key() {
+                        return "test_key_1";
+                    }
+                }, new ExternalEventCustomDataSerializer<>() {
+
+                    @Override
+                    public ByteBuffer serialize(final LoanAdjustTransactionBusinessEvent event) {
+                        return ByteBuffer.wrap("test_data_for_loan_adjust_transaction_2".getBytes(UTF_8));
+                    }
+
+                    @Override
+                    public String key() {
+                        return "test_key_2";
+                    }
+                });
         LoanAdjustTransactionBusinessEventSerializer serializer = new LoanAdjustTransactionBusinessEventSerializer(service,
-                new LoanTransactionDataMapperImpl(avroDateTimeMapper, externalIdMapper), loanChargePaidByReadService);
+                new LoanTransactionDataMapperImpl(avroDateTimeMapper, externalIdMapper), loanChargePaidByReadService,
+                externalEventCustomDataSerializers);
         LoanTransaction transactionToAdjust = Mockito.mock(LoanTransaction.class);
         LoanAdjustTransactionBusinessEvent.Data loanAdjustTransactionBusinessEventData = new LoanAdjustTransactionBusinessEvent.Data(
                 transactionToAdjust);
@@ -112,5 +153,10 @@ public class LoanAdjustTransactionBusinessEventSerializerTest {
         LoanTransactionAdjustmentDataV1 loanTransactionAdjustmentDataV1 = (LoanTransactionAdjustmentDataV1) serializer
                 .toAvroDTO(businessEvent);
         assertEquals(reversedLocalDate, loanTransactionAdjustmentDataV1.getTransactionToAdjust().getReversedOnDate());
+
+        assertNotNull(loanTransactionAdjustmentDataV1.getCustomData());
+        final Map<String, ByteBuffer> customData = loanTransactionAdjustmentDataV1.getCustomData();
+        assertEquals("test_data_for_loan_adjust_transaction_1", new String(customData.get("test_key_1").array(), UTF_8));
+        assertEquals("test_data_for_loan_adjust_transaction_2", new String(customData.get("test_key_2").array(), UTF_8));
     }
 }