ResetMessageLabels Method
Replaces the labels of the message specified by MessageSet with the labels specified by MessageLabels.
Syntax
gmail.resetMessageLabels([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){ }
'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 method replaces the labels of the message specified by the MessageSet property with the flags specified by the MessageLabels property.