How do I use NearField Sensor?

Hello everyone !
Can anybody tell me how to use NearField sensor and what's the meaning and use of it ?

1 Like

Check here.

Always consult the documentation and search the forum or google before starting a topic.

Documentation here:

This game tutorial uses NearField and still might work

and more than you probably will every want to know from the community discussions. NFC has a 'gray' history with lots of issues.