we have created below template for service task , How can we create simple custom template that sends email using service task in modeler. we are not able to deploy workflow to camunda engine. below here is the error
{
"name": "Mail Task",
"id": "com.camunda.example.MailTask",
"createdBy": "sh529u",
"users": [],
"groups": [],
"properties": [
{
"binding": {
"name": "camunda:javaDelegate",
"type": "property"
},
"editable": false,
"value": "com.mycompany.MailTaskImpl",
"type": "String",
"label": "Implementation Type"
},
{
"constraints": {
"notEmpty": true
},
"binding": {
"scriptFormat": "freemarker",
"name": "messageBody",
"type": "camunda:inputParameter"
},
"type": "Text",
"value": "Hello ${firstName}!",
"description": "You can use freemarker templates ${...} here",
"label": "Template"
},
{
"binding": {
"source": "${ resultStatus }",
"type": "camunda:outputParameter"
},
"value": "mailSendResult",
"type": "String",
"description": "Process variable to assign the send result to",
"label": "Result Status"
},
{
"binding": {
"name": "camunda:asyncBefore",
"type": "property"
},
"value": true,
"type": "Boolean",
"label": "Send Async?"
}
],
"appliesTo": [
"bpmn:ServiceTask"
]
}
ERROR
03-Jul-2017 10:31:27.047 WARNING [http-nio-8651-exec-1] null.null org.camunda.bpm.engine.ProcessEngineException: ENGINE-09005 Could not parse BPMN process. Errors:
* One of the attributes 'class', 'delegateExpression', 'type', or 'expression' is mandatory on serviceTask. | diagram.bpmn | line 2 | column 961