Append correlation Properties in Launch editor event

app/spiffworkflow/messages/propertiesPanel/elementLevelProvider/MessageLaunchEditorButton.js

@@ -1,6 +1,6 @@
 import { HeaderButton } from '@bpmn-io/properties-panel';
 import { useService } from 'bpmn-js-properties-panel';
-import {getMessageRefElement} from "../../MessageHelpers";
+import { findCorrelationProperties, findCorrelationPropertiesAndRetrievalExpressionsForMessage, findCorrelationPropertiesByMessage, getMessageRefElement } from "../../MessageHelpers";
 
 /**
  * Sends a notification to the host application saying the user
@@ -8,7 +8,7 @@ import {getMessageRefElement} from "../../MessageHelpers";
  * update the value and send it back.
  */
 export function MessageLaunchEditorButton(props) {
-  const { element } = props;
+  const { element, moddle } = props;
 
   const sendEvent = 'spiff.message.edit';
   const listenEvent = 'spiff.message.update';
@@ -16,6 +16,12 @@ export function MessageLaunchEditorButton(props) {
   const eventBus = useService('eventBus');
 
   const messageRef = getMessageRefElement(element);
+  const correlationProperties = findCorrelationPropertiesAndRetrievalExpressionsForMessage(element);
+  const parsedCorrelationProperties = correlationProperties.map(item => ({
+    id: item.correlationPropertyModdleElement.id,
+    retrievalExpression: item.correlationPropertyRetrievalExpressionModdleElement.messagePath.body
+  }));
+
   let messageId = null;
   if (messageRef && messageRef.id) {
     messageId = messageRef.id;
@@ -28,10 +34,14 @@ export function MessageLaunchEditorButton(props) {
     id: `message_launch_message_editor_button`,
     onClick: () => {
       eventBus.fire(sendEvent, {
-        value: messageId,
+        value: {
+          messageId,
+          correlation_properties: parsedCorrelationProperties
+        },
         eventBus,
         listenEvent,
       });
+
       // Listen for a response, to update the script.
       eventBus.once(listenEvent, (response) => {
         messageRef.id = response.value;

app/spiffworkflow/messages/propertiesPanel/elementLevelProvider/MessageSelect.jsx

@@ -40,9 +40,8 @@ export function MessageSelect(props) {
     const messageId = value;
     const { businessObject } = element;
     let oldMessageRef = (businessObject.eventDefinitions) ? businessObject.eventDefinitions[0].messageRef : businessObject.messageRef;
-
     let definitions = getRoot(element.businessObject);
-    if (!definitions.get('rootElements')) {
+    if (!definitions || !definitions.get('rootElements')) {
       definitions.set('rootElements', []);
     }
 

app/spiffworkflow/messages/propertiesPanel/elementLevelProvider/TaskEventMessageProvider.js

@@ -39,7 +39,8 @@ export function createMessageGroup(
       id: 'messageLaunchEditorButton',
       element,
       translate,
-      component: MessageLaunchEditorButton
+      component: MessageLaunchEditorButton,
+      moddle
     }
   ];