Create webapp form in telegram bot

Hello, I developing the bot where I collect data to sell some things.
I need to create this workflow when you click on the button in the bot, a window with a form opens where I need to collect the first name / last name / phone number / post office number and save it in notion, and here’s the problem with this form, I can`t create it through the code.

Could you help me?

Hey @Artur_Ratinsky,

Welcome to the community :tada:

Are you able to share the workflow you have so far so we can see what you have tried?