diff --git a/projects/appointment-reminders-and-delius/src/integrationTest/kotlin/uk/gov/justice/digital/hmpps/IntegrationTest.kt b/projects/appointment-reminders-and-delius/src/integrationTest/kotlin/uk/gov/justice/digital/hmpps/IntegrationTest.kt
index d80816dee..89230ef8e 100644
--- a/projects/appointment-reminders-and-delius/src/integrationTest/kotlin/uk/gov/justice/digital/hmpps/IntegrationTest.kt
+++ b/projects/appointment-reminders-and-delius/src/integrationTest/kotlin/uk/gov/justice/digital/hmpps/IntegrationTest.kt
@@ -90,11 +90,11 @@ internal class IntegrationTest {
             "cd713c1b-1b27-45a0-b493-37a34666635a",
             "07000000001",
             mapOf("FirstName" to "Test", "NextWorkSession" to "01/01/2000"),
-            "A000001:01/01/2000:123, 456"
+            "A000001"
         )
         verify(telemetryService).trackEvent(
             "UnpaidWorkAppointmentReminderSent",
-            mapOf("crn" to "A000001", "upwAppointmentIds" to "123, 456")
+            mapOf("crn" to "A000001", "upwAppointmentIds" to "123, 456", "notificationId" to "null")
         )
         verify(telemetryService).trackEvent(
             "UnpaidWorkAppointmentReminderNotSent",
diff --git a/projects/appointment-reminders-and-delius/src/main/kotlin/uk/gov/justice/digital/hmpps/service/UnpaidWorkAppointmentsService.kt b/projects/appointment-reminders-and-delius/src/main/kotlin/uk/gov/justice/digital/hmpps/service/UnpaidWorkAppointmentsService.kt
index b2b41ca6c..4151c64ba 100644
--- a/projects/appointment-reminders-and-delius/src/main/kotlin/uk/gov/justice/digital/hmpps/service/UnpaidWorkAppointmentsService.kt
+++ b/projects/appointment-reminders-and-delius/src/main/kotlin/uk/gov/justice/digital/hmpps/service/UnpaidWorkAppointmentsService.kt
@@ -20,15 +20,19 @@ class UnpaidWorkAppointmentsService(
         upwAppointmentRepository.getUnpaidWorkAppointments(LocalDate.now().plusDays(2), providerCode)
             .forEach {
                 if (it.crn !in properties.excludedCrns) {
-                    notificationClient.sendSms(
+                    val response = notificationClient.sendSms(
                         templateId,
                         it.mobileNumber,
                         mapOf("FirstName" to it.firstName, "NextWorkSession" to it.appointmentDate),
-                        "${it.crn}:${it.appointmentDate}:${it.upwAppointmentIds}"
+                        it.crn
                     )
                     telemetryService.trackEvent(
                         "UnpaidWorkAppointmentReminderSent",
-                        mapOf("crn" to it.crn, "upwAppointmentIds" to it.upwAppointmentIds)
+                        mapOf(
+                            "crn" to it.crn,
+                            "upwAppointmentIds" to it.upwAppointmentIds,
+                            "notificationId" to response?.notificationId.toString()
+                        )
                     )
                 } else telemetryService.trackEvent(
                     "UnpaidWorkAppointmentReminderNotSent",