## select_by_id(self, id) {#System.String}

Gets an item by id.


### Returns 





```python

def select_by_id(self, id):
    ...
```


| Parameter | Type | Description |
| :- | :- | :- |
| id | System.String | Contains the GUID for the custom XML part. |



### See Also
* module [`aspose.cells.markup`](../../)
* class [`CustomXmlPart`](/cells/python-net/aspose.cells.markup/customxmlpart)
* class [`CustomXmlPartCollection`](/cells/python-net/aspose.cells.markup/customxmlpartcollection)