ChangeMarker Property

A marker indicating what page of changes to return next.

Syntax

 googledrive.getChangeMarker([callback])
 googledrive.setChangeMarker( changeMarker, [callback])

Default Value

""

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 the getChangeMarker([callback]) 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.

The callback for the setChangeMarker([callback]) method is defined as:

function(err){ }

'err' is the error that occurred. If there was no error, then 'err' is 'null'.

'err' has 2 properties which hold detailed information:

err.code
err.message

Remarks

This property will be populated when ListChanges is called if the results are paged and there are more pages. To list all changes, continue to call ListChanges until this property returns empty string.

This property will be populated with the most current change marker if GetCurrentChangeMarker is called.

Setting ChangeMarker will cause NextChangeMarker to be set to "".

Refer to ListChanges for more details.

This property is not available at design time.

Data Type

String