diff --git a/app/spiffworkflow/messages/MessageHelpers.js b/app/spiffworkflow/messages/MessageHelpers.js
index efcd9f8..79f0337 100644
--- a/app/spiffworkflow/messages/MessageHelpers.js
+++ b/app/spiffworkflow/messages/MessageHelpers.js
@@ -50,15 +50,39 @@ function processCorrelationProperty(correlationProperty, message) {
   return expressions
 }
 
-export function findCorrelationKeys(element) {
+export function findCorrelationProperties(element) {
   const root = getRoot(element);
   const correlationProperties = [];
   for (const rootElement of root.rootElements) {
     if (rootElement.$type === 'bpmn:CorrelationProperty') {
       correlationProperties.push(rootElement);
     }
+
   }
-  return correlationProperties;
+  return correlationProperties
+}
+
+export function findCorrelationKeys(element) {
+  const root = getRoot(element);
+  const correlationKeys = [];
+  for (const rootElement of root.rootElements) {
+    if (rootElement.$type === 'bpmn:Collaboration') {
+      const currentKeys = rootElement.correlationKeys;
+      for (let correlationKey in currentKeys) {
+        let correlationProperties = [];
+        const currentCorrelation = rootElement.correlationKeys[correlationKey];
+        let currentProperty = {}
+        currentProperty.name = currentCorrelation.name;
+        currentProperty.refs = [];
+        for (let correlationProperty in currentCorrelation.correlationPropertyRef) {
+          console.log("findCorrelationKeys: propertyRef", correlationProperty);
+          currentProperty.refs.push(currentCorrelation.correlationPropertyRef[correlationProperty]);
+        }
+        correlationKeys.push(currentProperty);
+      }
+    }
+  }
+  return correlationKeys
 }
 
 export function findMessageModdleElements(element) {
diff --git a/app/spiffworkflow/messages/propertiesPanel/CorrelationKeysArray.js b/app/spiffworkflow/messages/propertiesPanel/CorrelationKeysArray.js
index 2021935..22af1c3 100644
--- a/app/spiffworkflow/messages/propertiesPanel/CorrelationKeysArray.js
+++ b/app/spiffworkflow/messages/propertiesPanel/CorrelationKeysArray.js
@@ -1,6 +1,6 @@
 import { useService } from 'bpmn-js-properties-panel';
 import {
-  isTextFieldEntryEdited,
+  isTextFieldEntryEdited, ListGroup,
   TextFieldEntry,
 } from '@bpmn-io/properties-panel';
 import { without } from 'min-dash';
@@ -9,7 +9,7 @@ import {
   findDataObjects,
   findDataReferenceShapes,
 } from '../../DataObject/DataObjectHelpers';
-import {findCorrelationKeys} from '../MessageHelpers';
+import { findCorrelationProperties, findCorrelationKeys, getRoot } from '../MessageHelpers';
 
 
 
@@ -26,15 +26,17 @@ export function CorrelationKeysArray(props) {
 
   const correlationProperties = findCorrelationKeys(element.businessObject);
   const items = correlationProperties.map((correlationProperty, index) => {
-    const id = `correlation-${correlationProperty.id}`;
+    const id = `correlationGroup-${correlationProperty.name}`;
     return {
       id,
-      label: correlationProperty.id,
-      entries: CorrelationKeyGroup({
-        id,
-        element,
-        correlationProperty,
-      }),
+      correlationProperty,
+      label: correlationProperty.name,
+      entries: correlationProperty.refs,
+      // entries: correlationGroup({
+      //   id,
+      //   element,
+      //   correlationProperty,
+      // }),
       autoFocusEntry: id,
       // remove: removeFactory({ element, correlationProperty, commandStack, elementRegistry })
     };
@@ -42,19 +44,14 @@ export function CorrelationKeysArray(props) {
 
   function add(event) {
     event.stopPropagation();
-    const newCorrelationProperty = moddle.create('bpmn:CorrelationProperty');
-    const newElements = correlationProperties;
-    newCorrelationProperty.id = moddle.ids.nextPrefixed('CorrelationProperty_');
-    newElements.push(newCorrelationProperty);
-    console.log('element', element);
+    const newCorrelationKey = moddle.create('bpmn:CorrelationKey');
+    newCorrelationKey.name = moddle.ids.nextPrefixed('CorrelationKey_');
+    console.log('newCorrelationKey', newCorrelationKey);
     commandStack.execute('element.updateModdleProperties', {
       element,
       moddleElement: element.businessObject,
-      properties: {
-        flowElements: newElements,
-      },
+      newElements: newCorrelationKey
     });
-    // moddle.updateModdleProperties(element, updatedBusinessObject, update);
   }
 
   return { items, add };
@@ -87,6 +84,21 @@ function removeFactory(props) {
   };
 }
 
+function correlationGroup(props) {
+  const { element, correlationProperty } = props;
+  const id = `correlation-${correlationProperty.id}`;
+  return {
+    id,
+    label: correlationProperty.id,
+    entries: CorrelationKeyGroup({
+      id,
+      element,
+      correlationProperty,
+    }),
+    autoFocusEntry: id,
+  };
+}
+
 function CorrelationKeyGroup(props) {
   const { idPrefix, correlationProperty } = props;
 
@@ -132,13 +144,14 @@ function CorrelationKeyTextField(props) {
   };
 
   const getValue = (parameter) => {
-    return correlationProperty.name;
+    return correlationProperty.refs;
   };
 
-  return TextFieldEntry({
+  return ListGroup({
     element: parameter,
+    items: correlationProperty.refs,
     id: `${idPrefix}-textField`,
-    label: 'Correlation Key',
+    label: 'Correlation Properties',
     getValue,
     setValue,
     debounce,
diff --git a/app/spiffworkflow/messages/propertiesPanel/MessageCorrelationsArray.js b/app/spiffworkflow/messages/propertiesPanel/MessageCorrelationsArray.js
index fefbc21..3f61eaf 100644
--- a/app/spiffworkflow/messages/propertiesPanel/MessageCorrelationsArray.js
+++ b/app/spiffworkflow/messages/propertiesPanel/MessageCorrelationsArray.js
@@ -31,12 +31,38 @@ export function MessageCorrelationsArray(props) {
     };
   });
 
-  function add(event) {}
+  function add(event) {
+    event.stopPropagation();
+    const newRetrievalExpression = moddle.create('bpmn:CorrelationPropertyRetrievalExpression');
+    const newElements = formalExpressions;
+    newRetrievalExpression.messageRef = element.businessObject.messageRef;
+    newElements.push(newRetrievalExpression);
+    console.log('element', element);
+    commandStack.execute('element.updateModdleProperties', {
+      element,
+      moddleElement: element.businessObject,
+    });
+
+  }
 
   return { items, add }
 
 }
 
+function MessageKeyGroup(props) {
+  const { idPrefix, keys } = props;
+
+  return [
+    {
+      id: `${idPrefix}-group`,
+      component: MessageCorrelationGroup,
+      isEdited: isTextFieldEntryEdited,
+      idPrefix,
+      formalExpression: keys
+    }
+  ]
+}
+
 function MessageCorrelationGroup(props) {
   const { idPrefix, formalExpression } = props;
 
diff --git a/test/spec/MessagesSpec.js b/test/spec/MessagesSpec.js
index 76ad5d6..5883fd8 100644
--- a/test/spec/MessagesSpec.js
+++ b/test/spec/MessagesSpec.js
@@ -1,5 +1,5 @@
 import TestContainer from 'mocha-test-container-support';
-import { bootstrapPropertiesPanel, expectSelected, findEntry, findGroupEntry, findInput, findSelect, findTextarea } from './helpers';
+import { bootstrapPropertiesPanel, expectSelected, findEntry, findGroupEntry, findInput, findSelect, findTextarea, findButtonByClass, pressButton, findDivByClass } from './helpers';
 import { BpmnPropertiesPanelModule, BpmnPropertiesProviderModule } from 'bpmn-js-properties-panel';
 import spiffModdleExtension from '../../app/spiffworkflow/moddle/spiffworkflow.json';
 import messages from '../../app/spiffworkflow/messages';
@@ -91,4 +91,35 @@ describe('Messages should work', function() {
 
   });
 
+  it('should add a new correlation when clicked', async function() {
+
+    // Select the second Task
+    const send_shape = await expectSelected('ActivitySendLetter');
+    expect(send_shape, "Can't find Send Task").to.exist;
+
+    const buttonClass = "bio-properties-panel-group-header-button bio-properties-panel-add-entry";
+    let button = findButtonByClass(buttonClass, container);
+    pressButton(button);
+
+    console.log(button);
+
+  });
+
+  it('should add a new Correlation Key when clicked', async function() {
+    const divClass = "bio-properties-panel-list";
+    const divs = findDivByClass(divClass, container);
+
+    const buttonClass = "bio-properties-panel-group-header-button bio-properties-panel-add-entry";
+    let button = findButtonByClass(buttonClass, container);
+    pressButton(button);
+
+    // THEN - a select Data Object section should appear in the properties panel
+    let entry = findGroupEntry('correlation_keys', container);
+    expect(entry).to.exist;
+
+    let divs2 = findDivByClass(divClass, container);
+
+    console.log(button);
+  });
+
 });
diff --git a/test/spec/bpmn/collaboration.bpmn b/test/spec/bpmn/collaboration.bpmn
index 04b8693..834da02 100644
--- a/test/spec/bpmn/collaboration.bpmn
+++ b/test/spec/bpmn/collaboration.bpmn
@@ -10,8 +10,6 @@
     <bpmn:messageFlow id="Flow_0vonyt2" sourceRef="Participant_1tlkvw1" targetRef="Event_06829ki" />
     <bpmn:correlationKey name="lover">
       <bpmn:correlationPropertyRef>lover_name</bpmn:correlationPropertyRef>
-    </bpmn:correlationKey>
-    <bpmn:correlationKey name="instrument">
       <bpmn:correlationPropertyRef>lover_instrument</bpmn:correlationPropertyRef>
     </bpmn:correlationKey>
     <bpmn:correlationKey name="singer" />
diff --git a/test/spec/helpers.js b/test/spec/helpers.js
index 5b83e3a..051c73f 100644
--- a/test/spec/helpers.js
+++ b/test/spec/helpers.js
@@ -119,6 +119,10 @@ export function findButton(id, container) {
   return domQuery(`button[id='${ id }']`, container);
 }
 
+export function findButtonByClass(buttonClass, container) {
+  return domQuery(`button[class='${ buttonClass }']`, container)
+}
+
 export function findSelect(container) {
   return domQuery('select', container);
 }
@@ -131,6 +135,10 @@ export function pressButton(button) {
   fireEvent.click(button);
 }
 
+export function findDivByClass(divClass, container) {
+  return domQuery(`div[class='${ divClass }']`, container)
+}
+