"operator">?</span></code></th><td><code><span class="type"><a href="/api/store/type-aliases/callback/dorollback/">DoRollback</a></span></code></td><td><p>An optional callback that should return <code>true</code> if you want to rollback the transaction at the end. Since v1.2.</p></td></tr><tr><th class="right">returns</th><td><code>Return</code></td><td><p></p><p>Whatever value the provided transaction function returns.</p><p></p></td></tr></table></div><p>This method is useful for making bulk changes to th