Add a route step to a route event

---
### Parameters
**routeStepEventInfo** `Dictionary`: Key values are required unless otherwise stated<br />
<table class='dictionaryKeyTable'>
	<tbody>
 	<tr><td> - enabled</td><td>Boolean</td><td>Not required</td></tr>	
 	<tr><td> - lotOperationEventId</td><td>Integer</td><td>Not required</td></tr>	
 	<tr><td> - lotOperationId</td><td>Integer</td><td></td></tr>	
 	<tr><td> - routeEventId</td><td>Integer</td><td></td></tr>	
 	<tr><td> - stepDescription</td><td>String</td><td>Not required</td></tr>	
 	<tr><td> - stepNum</td><td>Integer</td><td></td></tr>	
 	<tr><td> - stepParams</td><td>String</td><td>Not required</td></tr>	
	</tbody>
</table>

**userId** `Integer`: Id of user executing the function<br />

---
### Returns
**routeStepEventId** `Integer`<br />
**message** `String` None if success<br />

---
### Example
```python
userId = 123
# Add a new route step event
routeStepEventInfo = {
    "routeEventId": 101,
    "stepNum": 3,
    "lotOperationId": 55
}
routeStepEventId, msg = system.kanoa.lot.addRouteStepEvent(routeStepEventInfo, userId)
```