Reset all records in an ServiceNow application to a given vendor or user name

reset_app_sys_fields.js

//run in global scope as background script

/**** set these variables before running ****/
var vendorName = "--CAVUCode--";
var appID = "---AddAppSysIDHere---";

/**** after setting variabless above, uncomment this line to run ****/
//updateAppFiles(vendorName, appID);

function updateAppFiles(vendorName, appID) {
   var gr = new GlideRecord("sys_metadata");
   gr.addQuery("sys_scope", appID);
   gr.addQuery("sys_updated_by", "!=", vendorName);
   gr.orderBy("sys_class_name");
   gr.orderBy("name");
   gr.query();
   gs.print(gr.getRowCount());

   while (gr.next()) {
      gr.autoSysFields(false);
      gr.setWorkflow(false);
      gr.sys_created_by = vendorName;
      gr.sys_updated_by = vendorName;
      gr.update();
      gs.print("Updated " + gr.getDisplayValue("sys_class_name") + ": " + gr.getDisplayValue());
   }
}