# system.kanoa.item.updateItemAttribute(itemAttrInfo, userId)

Updates an item attribute. itemAttrInfo keys are required.

---
### Parameters
**itemAttrInfo** `Dictionary`<br />
<table class='dictionaryKeyTable'>
	<tbody>
 	<tr><td> - itemAttrId</td><td>Integer</td><td></td></tr>	
 	<tr><td> - itemAttrName</td><td>String</td><td></td></tr>	
 	<tr><td> - itemAttrValue</td><td>String</td><td></td></tr>	
 	<tr><td> - itemId</td><td>Integer</td><td></td></tr>	
	</tbody>
</table>

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

---
### Returns
**# of records modified** `Integer`<br />

---
### Example
```python
retVal = system.kanoa.item.updateItemAttribute({'itemAttrId': 56, 'itemAttrName': 'weight', 'itemId': 1, 'itemAttrValue': 60}, 123)
```