diff --git a/RPtoRFX_PrepOrder.ftl b/RPtoRFX_PrepOrder.ftl
index dd44aba..cf7b544 100644
--- a/RPtoRFX_PrepOrder.ftl
+++ b/RPtoRFX_PrepOrder.ftl
@@ -44,6 +44,7 @@
         "automatic_generation": "${automatic_generation_flag}",
 		"deactivate": "false",
 		"optional_attributes": {
+			<#include "RPtoRFX_PrepOrder_OptionalAttributes.ftl">
 			"apt_with_end_consignee": "${apt_with_end_consignee_flag}",
 			"apt_with_intermediate": "false",
 			"load_grouping": "${load_grouping}"
diff --git a/RPtoRFX_PrepOrder_OptionalAttributes.ftl b/RPtoRFX_PrepOrder_OptionalAttributes.ftl
new file mode 100644
index 0000000..de764b7
--- /dev/null
+++ b/RPtoRFX_PrepOrder_OptionalAttributes.ftl
@@ -0,0 +1,8 @@
+<#-- Here are the fields that can be added
+"end_consignee_apt_start_datetime": "0000-00-00T00:00:00",
+"end_consignee_apt_end_datetime": "0000-00-00T00:00:00",
+"reason_code": "str",
+"planned_preparation_date": "0000-00-00",
+"despatch_grouping": "string",
+"reservation_end_datetime": "0000-00-00T00:00:00",
+-->