copy anyting from xml node as string in groovy
copy anything from input string ( xml string , inside note );
ref link: Remove XML Declarations and Unwanted Message nodes from XML using groovy script in CPI | SAP Blogs
<root>
<Parent>
<Child1>Value1</Child1>
<Child2>Value2</Child2>
<Child3>Value3</Child3>
<Child4>
<field1>Value4</field1>
<field2>Value5</field2>
</Child4>
</Parent>
</root>
<root>
<Parent>
<Child1>Value1</Child1>
<Child2>Value2</Child2>
<Child3>Value3</Child3>
<Child4>
<field1>Value4</field1>
<field2>Value5</field2>
</Child4>
</Parent>
</root>
<?xml version='1.0' encoding='UTF-8'?>
<multimap:Messages xmlns:multimap="http://sap.com/xi/XI/SplitAndMerge">
<multimap:Message1>
<ns0:Messages xmlns:ns0="http://sap.com/xi/XI/SplitAndMerge">
<ns0:Message1>
<root>
<Parent>
<Child1>Value1</Child1>
<Child2>Value2</Child2>
<Child3>Value3</Child3>
<Child4>
<field1>Value4</field1>
<field2>Value5</field2>
</Child4>
</Parent>
</root>
</ns0:Message1>
</ns0:Messages
></multimap:Message1>
</multimap:Messages>