diff --git a/playground/nutech/exclusive-gateway-1/exclusive_gw_1.bpmn b/playground/nutech/exclusive-gateway-1/exclusive_gw_1.bpmn
index 70e46ff0..2c7101be 100644
--- a/playground/nutech/exclusive-gateway-1/exclusive_gw_1.bpmn
+++ b/playground/nutech/exclusive-gateway-1/exclusive_gw_1.bpmn
@@ -1,26 +1,29 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<bpmn:definitions xmlns:bpmn="http://www.omg.org/spec/BPMN/20100524/MODEL" xmlns:bpmndi="http://www.omg.org/spec/BPMN/20100524/DI" xmlns:dc="http://www.omg.org/spec/DD/20100524/DC" xmlns:di="http://www.omg.org/spec/DD/20100524/DI" id="Definitions_96f6665" targetNamespace="http://bpmn.io/schema/bpmn" exporter="Camunda Modeler" exporterVersion="3.0.0-dev">
+<bpmn:definitions xmlns:bpmn="http://www.omg.org/spec/BPMN/20100524/MODEL" xmlns:bpmndi="http://www.omg.org/spec/BPMN/20100524/DI" xmlns:dc="http://www.omg.org/spec/DD/20100524/DC" xmlns:di="http://www.omg.org/spec/DD/20100524/DI" xmlns:spiffworkflow="http://spiffworkflow.org/bpmn/schema/1.0/core" id="Definitions_96f6665" targetNamespace="http://bpmn.io/schema/bpmn" exporter="Camunda Modeler" exporterVersion="3.0.0-dev">
   <bpmn:process id="Process_q4lu9oo" isExecutable="true">
     <bpmn:startEvent id="StartEvent_1">
       <bpmn:outgoing>Flow_0qm7iqu</bpmn:outgoing>
     </bpmn:startEvent>
     <bpmn:sequenceFlow id="Flow_0qm7iqu" sourceRef="StartEvent_1" targetRef="Activity_1jei1wt" />
-    <bpmn:manualTask id="Activity_1jei1wt" name="Show introduction">
-      <bpmn:incoming>Flow_0qm7iqu</bpmn:incoming>
-      <bpmn:outgoing>Flow_0qeqp1o</bpmn:outgoing>
-    </bpmn:manualTask>
     <bpmn:exclusiveGateway id="Gateway_1w3xvxf">
       <bpmn:incoming>Flow_0qeqp1o</bpmn:incoming>
       <bpmn:outgoing>Flow_1egzw43</bpmn:outgoing>
       <bpmn:outgoing>Flow_1jwn1tk</bpmn:outgoing>
     </bpmn:exclusiveGateway>
     <bpmn:sequenceFlow id="Flow_0qeqp1o" sourceRef="Activity_1jei1wt" targetRef="Gateway_1w3xvxf" />
-    <bpmn:sequenceFlow id="Flow_1egzw43" sourceRef="Gateway_1w3xvxf" targetRef="Activity_1nmelia" />
-    <bpmn:manualTask id="Activity_1nmelia" name="Show success message">
+    <bpmn:sequenceFlow id="Flow_1egzw43" name="Others" sourceRef="Gateway_1w3xvxf" targetRef="Activity_1nmelia">
+      <bpmn:conditionExpression />
+    </bpmn:sequenceFlow>
+    <bpmn:manualTask id="Activity_1nmelia" name="Hellow to others">
+      <bpmn:extensionElements>
+        <spiffworkflow:instructionsForEndUser>Hello {{firstName}}</spiffworkflow:instructionsForEndUser>
+      </bpmn:extensionElements>
       <bpmn:incoming>Flow_1egzw43</bpmn:incoming>
       <bpmn:outgoing>Flow_14y8s4v</bpmn:outgoing>
     </bpmn:manualTask>
-    <bpmn:sequenceFlow id="Flow_1jwn1tk" sourceRef="Gateway_1w3xvxf" targetRef="Activity_0uptjz5" />
+    <bpmn:sequenceFlow id="Flow_1jwn1tk" name="Chuck" sourceRef="Gateway_1w3xvxf" targetRef="Activity_0uptjz5">
+      <bpmn:conditionExpression>firstName=="Chuck"</bpmn:conditionExpression>
+    </bpmn:sequenceFlow>
     <bpmn:exclusiveGateway id="Gateway_1llareg">
       <bpmn:incoming>Flow_14y8s4v</bpmn:incoming>
       <bpmn:incoming>Flow_0j8sz6t</bpmn:incoming>
@@ -29,11 +32,17 @@
     <bpmn:sequenceFlow id="Flow_14y8s4v" sourceRef="Activity_1nmelia" targetRef="Gateway_1llareg" />
     <bpmn:sequenceFlow id="Flow_0j8sz6t" sourceRef="Activity_0uptjz5" targetRef="Gateway_1llareg" />
     <bpmn:sequenceFlow id="Flow_15a8yo2" sourceRef="Gateway_1llareg" targetRef="Activity_1ktmw44" />
-    <bpmn:manualTask id="Activity_0uptjz5" name="Show error message">
+    <bpmn:manualTask id="Activity_0uptjz5" name="Hi to Chuck">
+      <bpmn:extensionElements>
+        <spiffworkflow:instructionsForEndUser>Hi {{firstName}}</spiffworkflow:instructionsForEndUser>
+      </bpmn:extensionElements>
       <bpmn:incoming>Flow_1jwn1tk</bpmn:incoming>
       <bpmn:outgoing>Flow_0j8sz6t</bpmn:outgoing>
     </bpmn:manualTask>
     <bpmn:manualTask id="Activity_1ktmw44" name="Show end message">
+      <bpmn:extensionElements>
+        <spiffworkflow:instructionsForEndUser>Thanks everyone</spiffworkflow:instructionsForEndUser>
+      </bpmn:extensionElements>
       <bpmn:incoming>Flow_15a8yo2</bpmn:incoming>
       <bpmn:outgoing>Flow_1u2bnfk</bpmn:outgoing>
     </bpmn:manualTask>
@@ -41,27 +50,35 @@
       <bpmn:incoming>Flow_1u2bnfk</bpmn:incoming>
     </bpmn:endEvent>
     <bpmn:sequenceFlow id="Flow_1u2bnfk" sourceRef="Activity_1ktmw44" targetRef="Event_0ykyjnt" />
+    <bpmn:userTask id="Activity_1jei1wt" name="Show introduction">
+      <bpmn:extensionElements>
+        <spiffworkflow:properties>
+          <spiffworkflow:property name="formJsonSchemaFilename" value="issue-form-schema.json" />
+          <spiffworkflow:property name="formUiSchemaFilename" value="issue-form-uischema.json" />
+        </spiffworkflow:properties>
+      </bpmn:extensionElements>
+      <bpmn:incoming>Flow_0qm7iqu</bpmn:incoming>
+      <bpmn:outgoing>Flow_0qeqp1o</bpmn:outgoing>
+    </bpmn:userTask>
   </bpmn:process>
   <bpmndi:BPMNDiagram id="BPMNDiagram_1">
     <bpmndi:BPMNPlane id="BPMNPlane_1" bpmnElement="Process_q4lu9oo">
       <bpmndi:BPMNShape id="_BPMNShape_StartEvent_2" bpmnElement="StartEvent_1">
         <dc:Bounds x="-198" y="-8" width="36" height="36" />
       </bpmndi:BPMNShape>
-      <bpmndi:BPMNShape id="Activity_01ld40q_di" bpmnElement="Activity_1jei1wt">
-        <dc:Bounds x="-110" y="-30" width="100" height="80" />
-        <bpmndi:BPMNLabel />
-      </bpmndi:BPMNShape>
       <bpmndi:BPMNShape id="Gateway_1w3xvxf_di" bpmnElement="Gateway_1w3xvxf" isMarkerVisible="true">
         <dc:Bounds x="45" y="-15" width="50" height="50" />
       </bpmndi:BPMNShape>
       <bpmndi:BPMNShape id="Activity_0qojmqa_di" bpmnElement="Activity_1nmelia">
         <dc:Bounds x="150" y="-30" width="100" height="80" />
+        <bpmndi:BPMNLabel />
       </bpmndi:BPMNShape>
       <bpmndi:BPMNShape id="Gateway_1llareg_di" bpmnElement="Gateway_1llareg" isMarkerVisible="true">
         <dc:Bounds x="305" y="-15" width="50" height="50" />
       </bpmndi:BPMNShape>
       <bpmndi:BPMNShape id="Activity_1rjg9r2_di" bpmnElement="Activity_0uptjz5">
         <dc:Bounds x="150" y="80" width="100" height="80" />
+        <bpmndi:BPMNLabel />
       </bpmndi:BPMNShape>
       <bpmndi:BPMNShape id="Activity_1bs4lxs_di" bpmnElement="Activity_1ktmw44">
         <dc:Bounds x="410" y="-30" width="100" height="80" />
@@ -69,6 +86,9 @@
       <bpmndi:BPMNShape id="Event_0ykyjnt_di" bpmnElement="Event_0ykyjnt">
         <dc:Bounds x="572" y="-8" width="36" height="36" />
       </bpmndi:BPMNShape>
+      <bpmndi:BPMNShape id="Activity_1g632j5_di" bpmnElement="Activity_1jei1wt">
+        <dc:Bounds x="-110" y="-30" width="100" height="80" />
+      </bpmndi:BPMNShape>
       <bpmndi:BPMNEdge id="Flow_0qm7iqu_di" bpmnElement="Flow_0qm7iqu">
         <di:waypoint x="-162" y="10" />
         <di:waypoint x="-110" y="10" />
@@ -80,11 +100,17 @@
       <bpmndi:BPMNEdge id="Flow_1egzw43_di" bpmnElement="Flow_1egzw43">
         <di:waypoint x="95" y="10" />
         <di:waypoint x="150" y="10" />
+        <bpmndi:BPMNLabel>
+          <dc:Bounds x="106" y="-8" width="34" height="14" />
+        </bpmndi:BPMNLabel>
       </bpmndi:BPMNEdge>
       <bpmndi:BPMNEdge id="Flow_1jwn1tk_di" bpmnElement="Flow_1jwn1tk">
         <di:waypoint x="70" y="35" />
         <di:waypoint x="70" y="120" />
         <di:waypoint x="150" y="120" />
+        <bpmndi:BPMNLabel>
+          <dc:Bounds x="54" y="75" width="32" height="14" />
+        </bpmndi:BPMNLabel>
       </bpmndi:BPMNEdge>
       <bpmndi:BPMNEdge id="Flow_14y8s4v_di" bpmnElement="Flow_14y8s4v">
         <di:waypoint x="250" y="10" />