How to show the topic id in special topic fields

[izzet]

Hello, I want to set up a website where I can track people. I will have 3 requests every time I open a new topic.
1) Can I make 2 titles when opening a topic (name, surname and phone number),
2) How to show the topic id in special topic fields.
3) How to add a phone number section to the special topic field.
Thank you in advance for your answers.
How to show the topic id in special topic fields

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