In order to reject specific changes during redaction process or to keep a full log of changes in the document, you need to pass a callback implementing IRedactionCallback into RedactorSettings. The interface contains only one method, acceptRedaction, which receives detailed information about the proposed redaction and returns a Boolean value — accepted or not.
Below, we create a callback with java.newProxy, dumping changes to the console:
const redaction = require('@groupdocs/groupdocs.redaction'); const java = require('java'); const callback = java....Redaction for Node.js / Developer Guide / Advanced...