## WebExtensionBinding.app_ref property

Specifies the binding key used to map the binding entry in this list with the bound data in the document.


```python
@property
def app_ref(self) -> str:
    ...

@app_ref.setter
def app_ref(self, value: str):
    ...

```

### See Also

* module [aspose.words.webextensions](../../)
* class [WebExtensionBinding](../)