code: function bypassFieldAssign(elem, field, val) {
          OperationBuilder.begin("bypassFieldAssign", true);
          OperationBuilder.fieldAssign(elem, field, val);
          OperationBuilder.end();
          doOperation(OperationBuilder.getOperation(), true);
      }
docs: Assign a value to a field. This will not insert an Operation into UndoStack (bypass = true). Use it carefully.
  @param {module:core/Core.Element} elem Field owner.
  @param {string} field Field name.
  @param {Core.Element} val Value to be assigned to.