An object passed to the event that contains the following properties:
The Detail View's state. Possible values are:
Indicates whether or not any edits have been made to the Detail View. If isDirty is true, the current record has been edited.
The row number of the Grid row that fired the event. New record rows have negative row numbers.
Fires when the Detail View state has changed. Possible states are 'view', 'change', and 'enter'.