The **Aspose.Cells.Markup**  namespace contains classes that represent customer defined semantics in a document: smart tags, custom XML and more markup tags.

### Classes
| Class | Description |
| :- | :- |
| [`CustomXmlPart`](/cells/python-net/aspose.cells.markup/customxmlpart) | Represents a Custom XML Data Storage Part (custom XML data within a package). |
| [`CustomXmlPartCollection`](/cells/python-net/aspose.cells.markup/customxmlpartcollection) | Represents a Custom XML Data Storage Part (custom XML data within a package). |
| [`SmartTag`](/cells/python-net/aspose.cells.markup/smarttag) | Represents a smart tag. |
| [`SmartTagCollection`](/cells/python-net/aspose.cells.markup/smarttagcollection) | Represents all smart tags in the cell. |
| [`SmartTagOptions`](/cells/python-net/aspose.cells.markup/smarttagoptions) | Represents the options of the smart tag. |
| [`SmartTagProperty`](/cells/python-net/aspose.cells.markup/smarttagproperty) | Represents the property of the cell smart tag. |
| [`SmartTagPropertyCollection`](/cells/python-net/aspose.cells.markup/smarttagpropertycollection) | Represents all properties of cell smart tag. |
| [`SmartTagSetting`](/cells/python-net/aspose.cells.markup/smarttagsetting) | Represents all [`SmartTagCollection`](/cells/python-net/aspose.cells.markup/smarttagcollection) object in the worksheet. |


### Enumerations
| Enumeration | Description |
| :- | :- |
| [`SmartTagShowType`](/cells/python-net/aspose.cells.markup/smarttagshowtype) | Represents the show type of the smart tag. |