Buy ONEGram License with PayPal
U can see your ID on ONEGram -> Settings, on avatar image u can see ID: and DC: write only numbers of ID u can long click for auto-copy, otherwise u can open chat to:
and write /id u get any similar to this: NAME  write it here without 
This is only used in the PayPal payment process or to send in the information in case there is a problem registering the user ID in the database.
This it's used only for send email confirmation of payment and Telegram ID