getOfflineStorageCount

Purpose

Retrieves a number of currently stored items.

getOfflineStorageCount( onSuccess, onFailure )

This method does not return anything.

Name	Description	Type	Use
onSuccess	A callback function, which receives number of items stored in the forwardable storage.	`function`	required
onFailure	A callback function, called when the number of items cannot be returned. Returns an error code, as defined in the Constants table in the Client Store article.	`function`	required