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 metadata in the source of validation errors panel of the workbook.
The example of use is given on the page with description of the ValidationErrorsPanel.setValidation method.
See also: