# system.kanoa.quality.config.checkTolerance(toleranceName, tolerances)

Checks a tolerance against a tolerance specification and returns whether the value set for the tolerance is valid

---
### Parameters
**toleranceName** `String`: Name of tolerance to check i.e. 'lsl'<br />
**tolerances** `Dictionary`<br />
<table class='dictionaryKeyTable'>
	<tbody>
 	<tr><td> - lcl</td><td>Float</td><td></td></tr>	
 	<tr><td> - ldl</td><td>Float</td><td></td></tr>	
 	<tr><td> - lel</td><td>Float</td><td></td></tr>	
 	<tr><td> - lsl</td><td>Float</td><td></td></tr>	
 	<tr><td> - tgt</td><td>Float</td><td></td></tr>	
 	<tr><td> - ucl</td><td>Float</td><td></td></tr>	
 	<tr><td> - udl</td><td>Float</td><td></td></tr>	
 	<tr><td> - uel</td><td>Float</td><td></td></tr>	
 	<tr><td> - usl</td><td>Float</td><td></td></tr>	
	</tbody>
</table>

---
### Returns
**valid** `Boolean`<br />

---
### Example
```python
tolerances = {"lel": 0, "lsl": 1, "ldl": None, "lcl": 1.5, "tgt": 2, "ucl": 2.5, "udl": None, "usl": 3, "uel": 3.5}
toleranceName = 'lcl'
valid = system.kanoa.quality.config.checkTolerance(toleranceName, tolerances)
```