Gets the field at the current input position or null, if there is no such field at the current input position.
<void> PageNumberFieldCollection.getItem(<RequestPageNumberFieldCallback> callback, [<ErrorCallback> errorCallback], [<number> id])| Parameter | Description |
|---|---|
| callback | Receives the found Page |
| error |
Optional. Is called when the operation failed with an error. |
| id | Optional. Specifies the page number field's identifier set with the ID property. The method returns null if a page number field with the specified identifier does not exist. |