title: make a registration by telegram bot api
body: <p>i'm making a bot and i'm using webhook.</p>
  
  <p>User should register on my bot in telegram.</p>
  
  <p>user /start the bot.</p>
  
  <p>the bot request name (for example)</p>
  
  <p>users write their name and send to bot</p>
  
  <p>the bot request for next field</p>
  
  <p>... and i continues until last field.</p>
  
  <p>here i have a couple of question </p>
  
  <p>how can i recognize which input is for which field and the second question is how should i store the informations?should i store that in a table in database?
  thanks a Ton</p>