# system.kanoa.sheet.getItemClasses(chkShtId)

Returns all item classes linked to a check sheet.

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### Parameters
**chkShtId** `Integer`: Id of check sheet<br />

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### Returns
**itemClassData** `pyDataset`<br />

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### Example
```python
chkShtId = 56
itemClassData = system.kanoa.quality.sheet.getItemClasses(chkShtId)
```