https://learn.microsoft.com/en-us/dynamics365/business-central/dev-itpro/developer/methods-auto/xmlelement/xmlelement-selectnodes-string-xmlnodelist-method
XmlElement.SelectNodes(Text, var XmlNodeList) Method - Business Central | Microsoft Learn
Selects a list of nodes matching the XPath expression.
business centralxmlelementtextvarmethod