preventDefault (Client API reference)

Cancels the save operation, but all remaining handlers for the event will still be executed.

Syntax

executionContext.getEventArgs().preventDefault();

Important

When you use preventDefault on a form with business process flows, the stage navigation may throw this error: Unable to save form data due to web resource registered onSave invoking preventDefault. Use OnPreStageChange to prevent this error.

getSaveMode
isDefaultPrevented