## call_back property


Gets and sets callback interface of processing smartmarker.
### Definition:
```python
@property
def call_back(self):
    ...
@call_back.setter
def call_back(self, value):
    ...
```

### See Also
* module [`aspose.cells`](../../)
* class [`ISmartMarkerCallBack`](/cells/python-net/aspose.cells/ismartmarkercallback)
* class [`WorkbookDesigner`](/cells/python-net/aspose.cells/workbookdesigner)