GetXValue Method
Retrieves a valid XPath expression from the HTTP response after calling SendCustomRequest .
Syntax
amazons3.getXValue(XPath, [callback])
Callback
The 'callback' parameter specifies a function which will be called when the operation completes (or an error is encountered). If the 'callback' parameter is not specified, then the method will block and will not return until the operation completes (or an error is encountered).
The callback for this method is defined as:
function(err, data){ }
'err' is the error that occurred. If there was no error, then 'err' is 'null'.
'data' is the value returned by the method.
'err' has 2 properties which hold detailed information:
err.code err.message
Remarks
This method allows a user to retrieve a valid XPath expression from the HTTP response after calling SendCustomRequest.