## built_in_document_properties property


Returns a [`DocumentProperty`](/cells/python-net/aspose.cells.properties/documentproperty) collection that represents all the built-in document properties of the spreadsheet.

### Remarks 


A new property cannot be added to built-in document properties list. You can only get a built-in property and change its value.
The following is the built-in properties name list:

Title


Subject


Author


Keywords


Comments


Template


Last Author


Revision Number


Application Name


Last Print Date


Creation Date


Last Save Time


Total Editing Time


Number of Pages


Number of Words


Number of Characters


Security


Category


Format


Manager


Company


Number of Bytes


Number of Lines


Number of Paragraphs


Number of Slides


Number of Notes


Number of Hidden Slides


Number of Multimedia Clips

### Example 


```python
from aspose.cells import Workbook

workbook = Workbook()
doc = workbook.built_in_document_properties.get("Author")
doc.value = "John Smith"

```
### Definition:
```python
@property
def built_in_document_properties(self):
    ...
```

### See Also
* module [`aspose.cells`](../../)
* class [`BuiltInDocumentPropertyCollection`](/cells/python-net/aspose.cells.properties/builtindocumentpropertycollection)
* class [`DocumentProperty`](/cells/python-net/aspose.cells.properties/documentproperty)
* class [`Workbook`](/cells/python-net/aspose.cells/workbook)