## field_merging(args) {#fieldmergingargs}

Called when the Aspose.Words mail merge engine is about to insert data into a merge field in the document.


```python
def field_merging(self, args: aspose.words.mailmerging.FieldMergingArgs):
    ...
```

| Parameter | Type | Description |
| --- | --- | --- |
| args | [FieldMergingArgs](../../fieldmergingargs/) |  |

### See Also

* module [aspose.words.mailmerging](../../)
* class [IFieldMergingCallback](../)