[event handler] ontagfound [event type] NFCTagEvent with tag property set to the new NFCTag object. [short description] detect a new NFCTag [event name] 
tagfound
p o l l s t a r t
p o l l s t o p
t a g f o u n d
t a g l o s t
p e e r f o u n d
p e e r l o s t