diff --git a/RFXtoRP_HsrCarrierApt_SiteCancelAppointment.ftl b/RFXtoRP_HsrCarrierApt_SiteCancelAppointment.ftl
index 657f4c3..c4033a6 100644
--- a/RFXtoRP_HsrCarrierApt_SiteCancelAppointment.ftl
+++ b/RFXtoRP_HsrCarrierApt_SiteCancelAppointment.ftl
@@ -3,15 +3,15 @@
   {
     <#if carrier_apt.constant_appointment?? && carrier_apt.constant_appointment== "true">
 		<#if carrier_apt.appointment_reference?? && carrier_apt.appointment_reference!="">
-			"RefID": "${carrier_apt.appointment_reference?json_string}-${carrier_apt.year_number}-${carrier_apt.appointment_number}",
+			"AppointmentID": "${carrier_apt.appointment_reference?json_string}-${carrier_apt.year_number}-${carrier_apt.appointment_number}",
 		<#else>
-			"RefID": "${carrier_apt.year_number}-${carrier_apt.appointment_number}",
+			"AppointmentID": "${carrier_apt.year_number}-${carrier_apt.appointment_number}",
 		</#if>
 	<#else>
 		<#if carrier_apt.appointment_reference?? && carrier_apt.appointment_reference!="">
-			"RefID": "${carrier_apt.appointment_reference?json_string}",
+			"AppointmentID": "${carrier_apt.appointment_reference?json_string}",
 		<#else>
-			"RefID": "${carrier_apt.year_number}-${carrier_apt.appointment_number}",
+			"AppointmentID": "${carrier_apt.year_number}-${carrier_apt.appointment_number}",
 		</#if>
 	</#if>
     "Header": {