# system.kanoa.event.addCounterEvent(counterInfo, userId)

Adds a counter value. This function supports itemStates, items and workorders.

---
### Parameters
**counterInfo** `Dictionary`: All keys are required unless stated.<br />
<table class='dictionaryKeyTable'>
	<tbody>
 	<tr><td> - counterId</td><td>Integer</td><td></td></tr>	
 	<tr><td> - deltaValue</td><td>Float</td><td></td></tr>	
 	<tr><td> - itemId</td><td>Integer</td><td>Not required</td></tr>	
 	<tr><td> - itemStateId</td><td>Integer</td><td>Not required</td></tr>	
 	<tr><td> - tStamp</td><td>DateTime</td><td></td></tr>	
 	<tr><td> - workOrderId</td><td>Integer</td><td>Not required</td></tr>	
	</tbody>
</table>

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

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

---
### Example
```python
userId = system.kanoa.security.getIDPUserId({'userName': 'SYSTEM'})
counterId = system.kanoa.utilities.getFieldValue('counterId', system.kanoa.asset.getCounter({'assetId': 901, 'counterName': 'infeed'}))
counterInfo = {
				'counterId': counterId,
				'deltaValue': 500.0,
				'itemStateId': None,
				'itemId': None,
				'workOrderId': None,
				'tStamp': system.date.parse("2025-01-01 00:00:00")
			}

counterId, msg = system.kanoa.event.addCounterEvent(counterInfo, userId)
print counterId, msg
> 98850614 None
```