update
abstract fun updateDocument(sidOrUniqueName: String, jsonData: String, callback: SuccessListener<Unit>): CancellationToken
Set value of the SyncDocumentJava as a JSON object without opening it.
Return
CancellationToken which allows to cancel network request.
Parameters
sid
SID or unique name of existing SyncDocument.
json
New document data as a serialised JSON object.
callback
Async result listener. See SuccessListener.