RequestMetadata(sender: Object, args: PP.Mb.Ui.PropertyChangedEventArgs);
sender. Event source.
args. Event information. The parameter contains an object of the PP.Mb.Ui.PropertyChangedEventArgs, type, in which the Metadata property contains the Target field - name of the class that implements validation rule panel.
The RequestMetadata event occurs when there is no metatdata in the source of validation rules panel in the workbook.
The example of event use is given on the page with description of the ValidationRulesPanel.setValidation method.
See also: