How to use the @jsonforms/examples.onChange.onChange function in @jsonforms/examples

<button>
                  Issue1220Example.unregisterIssue1220UISchema(dispatch)
                }
              &gt;
                Unregister Issue 1220 UISchema
              </button>
            
          )
        });
        return issue_1220;
      case 'onChange':
        return {
          ...e,
          onChange: OnChangeExample.onChange
        };
      default:
        return e;
    }
  });