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

| Enumeration | Description |
| --- | --- |
| [SmartTagShowType](./smarttagshowtype/) | Represents the show type of the smart tag. |