http://livedocs.adobe.com/ Macromedia LiveDocs - online documentation with user feedback. Copyright 2009, Macromedia, Inc. 2009-11-26T10:21:59 en-us http://livedocs.adobe.com/coldfusion/6/CFML_Reference/functions-pt289.htm#72989 This is correct and can be confirmed with the following code:<br /><br /><cffunction name="testArguments" ><br /> <cfargument name="testArgument" /><br /> <br /> <cfset var newA1 = structCopy(arguments) /><br /> <cfset var newA2 = structNew() /><br /> <cfset var i = "" /><br /> <br /> <cfloop collection="#arguments#" item="i"><br /> <cfset newA2[i] = arguments[i] /><br /> </cfloop><br /> <br /> <cfdump var="#arguments#" /><br /> <cfset newA1.testArgument = "test1" /><br /> <cfdump var="#arguments#" /><br /> <cfset newA2.testArgument = "test2" /><br /> <cfdump var="#arguments#" /><br /></cffunction> Erik Westra 0 0 2007-08-30T03:37:12 http://livedocs.adobe.com/coldfusion/6/CFML_Reference/functions-pt289.htm#786 If you use structCopy to copy arguments scope in a function, it seems even simple values are copied by reference: if I change the values in the copy, the arguments scope changes. spage-mm 0 0 2002-11-20T04:52:00