action apptigent_query_xml { label: "Data - Query XML" description: "Query an XML string using an XPath expression" provider: apptigent method: POST path: "/QueryXML" encoding: json input: { type: "object" required: ["input", "query"] properties: { input: { type: "string" description: "XML or JSON string" } query: { type: "string" description: "XPath or JSONPath query" } } } output: { type: "object" properties: { result: { type: "string" description: "Result" } } } }