# system.kanoa.serial.updateSerialField(serialId, field, value, userId)

Updates the serialNumber configuration field with the passed value for the serialId.

---
### Parameters
**serialId** `Integer`: Id if serialization to update<br />
**field** `String`: Valid options are serialName, prefix, zfill, suffix, serialValue<br />
**value** `String`: Value to update to<br />
**userId** `Integer`: Id of user executing the function<br />

---
### Returns
**# of records modified** `Integer`<br />
**message** `String` None if success<br />

---
### Example
```python
userId = system.kanoa.security.getIDPUserId({'userName': 'SYSTEM'})
serialId = system.kanoa.utilities.getFieldValue('serialId', system.kanoa.serial.getSerialNumbers({'serialName': 'lpn'}))
retVal, msg = system.kanoa.serial.updateSerialField(serialId, 'suffix', 'AAA', userId)
print retVal, msg
>>> 1, None
print system.kanoa.utilities.getFieldValue('suffix', system.kanoa.serial.getSerialNumbers({'serialName': 'lpn'}))
>>> 'AAA'
```