mutate
abstract fun mutateListItem(listSidOrUniqueName: String, itemIndex: Long, mutator: SyncMutator, callback: SuccessListener<SyncListJava.Item>): CancellationToken
Mutate value of the SyncListJava.Item using provided Mutator function.
Return
CancellationToken which allows to cancel network request.
Parameters
list
SID or unique name of existing SyncListJava.
item
Index of the item to mutate.
mutator
SyncMutator which will be applied to the list item.
callback
Async result listener that will receive new value of the SyncListJava.Item in its onSuccess() callback or any error in onFailure() callback.