https://learn.microsoft.com/cs-cz/dotnet/api/system.xml.serialization.xmlarrayattribute.namespace?view=netframework-4.8.1&viewFallbackFrom=net-10.0
XmlArrayAttribute.Namespace Property (System.Xml.Serialization) | Microsoft Learn
Gets or sets the namespace of the XML element.
property systemnamespacexmlserializationmicrosoft