| onAfterUpdate | fires after receiving and processing server side response |
| onAfterUpdateFinish | fires after receiving and processing ALL items in the response |
| onBeforeDataSending | fires before sending data to a server |
| onBeforeUpdate | fires before updating a record (records) |
| onFullSync | fires when all data saved and client and server is in sync |
| onRowMark | fires before each attempt to mark the updated item |
| onValidationError | fires after validation error before data sending |