Does open3d have a confirm dialog in gui ?

[HugeKangroo]

Checklist

• [X] I have searched for similar issues.
• [X] For Python issues, I have tested with the latest development wheel.
• [X] I have checked the release documentation and the latest documentation (for main branch).

My Question

Hello, everyone I would like to create a confirmation dialog using GUI in open3d. Could you please advise me on how to do it?