Take the data from the document of people to send them to a base that in this case works as a list of enrolled to a competition.

1.- The participant presents himself with his identity document.
2.- The operator writes the number in the App or reads the QR code of the same.
3.- The App searches the database and if the participant is already registered, it shows their data.
4.- If you are not registered, request your income.
5.- At the end everything is sent and it is registered for the event.

REQUIRES APP IN DESKTOP COMPUTER WITH DATABASE.