put https://{serverUrl}/app/components/task/app/api/v2/handlers/
Updates the Handler specified by the {definitionId} parameter with the property values sent in the request body.
The properties
property should be a JSON object (map) of handler property names to values.
Example
```javascript
{
"properties": {
"propertyName1": "updatedPropertyValue1",
"propertyName2": "updatedPropertyValue2"
}
}
```
NOTE All properties in the request body are optional, and only the properties supplied will be updated.