**YouTube** is an American [online video-sharing](https://en.wikipedia.org/wiki/Video_hosting_service "Video hosting service") [platform](https://en.wikipedia.org/wiki/Web_platform "Web platform") headquartered in [San Bruno, California](https://en.wikipedia.org/wiki/San_Bruno,_California "San Bruno, California")

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The activities contained in the package facilitate:

*   Retreiving the default namespace of an XML
*   Changing the default namespace of an XML
*   Validating an XML against a specified schema (XSD).

To facilitate the usage of the activities contained in this package, make sure you have the **Deserialize XML** activity installed (it can be found in **UiPath.Web.Activities**).

  

**NOTE**: Installation Guidelines for Custom Activities can be found [here](https://dmtyylqvwgyxw.cloudfront.net/instances/214/assets/help-guides/UiPath-Go-Installation-Guide-Custom-Activities.pdf)

This package offers tree activities useful for validating XMLs against pre-defined schemas.

Namespace Activities and Schema Validation for XML