## custom property


Represents the custom number format string of this style object.
If the custom number format is not set(For example, the number format is builtin), "" will be returned.

### Remarks 


The returned custom string is culture-independent.
### Definition:
```python
@property
def custom(self):
    ...
@custom.setter
def custom(self, value):
    ...
```

### See Also
* module [`aspose.cells`](../../)
* class [`Style`](/cells/python-net/aspose.cells/style)