## Criterion class

Verifiable success criteria are provided for each recommendation, so WCAG 2.0 can be applied in areas where compliance testing is required.

https://www.w3.org/WAI/WCAG21/Understanding/understanding-techniques



**Inheritance:** [`Criterion`](/html/python-net/aspose.html.accessibility/criterion) → 
[`Rule`](/html/python-net/aspose.html.accessibility/rule)



The Criterion type exposes the following members:

### Properties
| Property | Description |
| :- | :- |
| [code](/html/python-net/aspose.html.accessibility/criterion/code) | Rule code from the quick reference WCAG
<br/>
<br/>https://www.w3.org/WAI/WCAG21/quickref/?versions=2.0 |
| [description](/html/python-net/aspose.html.accessibility/criterion/description) | Description of Rule from the quick reference WCAG.
<br/>
<br/>https://www.w3.org/WAI/WCAG21/quickref/?versions=2.0 |
| [level](/html/python-net/aspose.html.accessibility/criterion/level) | Compliance levels: A (lowest), AA and AAA (highest). |
| [sufficient_techniques](/html/python-net/aspose.html.accessibility/criterion/sufficient_techniques) | The methods are sufficient to fulfill the success criteria. |
| [advisory_techniques](/html/python-net/aspose.html.accessibility/criterion/advisory_techniques) | The methods are of a recommendatory nature. |
| [failures](/html/python-net/aspose.html.accessibility/criterion/failures) | Failures are things that cause accessibility barriers and fail specific success criteria. |



### See Also
* module [`aspose.html.accessibility`](..)
* class [`Criterion`](/html/python-net/aspose.html.accessibility/criterion)
* class [`Rule`](/html/python-net/aspose.html.accessibility/rule)