# NdefDiscovered
Argument passed to the callback when an NDEF message, tag, or technology is discovered.
NOTE
This is an abstract type. Any object of this structure can be used where this type is used.
# Properties
# action
action :String
Identifies the action from the intent.
This value will be one of the constants defined on the Modules.Nfc module object (ACTION_NDEF_DISCOVERED, ACTION_TAG_DISCOVERED, or ACTION_TECH_DISCOVERED).