def METHOD_NAME( event ):
    ''' Helper method to print information on all collections in an LCEvent'''
    # the event
    print('///////////////////////////////////')
    print('EVENT:', event.getEventNumber())
    print('RUN:', event.getRunNumber())
    print('DETECTOR:', event.getDetectorName())
    print('COLLECTIONS: (see below)')
    print('///////////////////////////////////\n')
    print('---------------------------------------------------------------------------')
    print('{0:30}{1:25}{2:20}'.format('COLLECTION NAME', 'COLLECTION TYPE', 'NUMBER OF ELEMENTS'))
    print('===========================================================================')
    for collectionName, collection in event:
        print('{0:30}{1:25}{2:9}'.format(collectionName, collection.getTypeName(), collection.getNumberOfElements()))
    print('---------------------------------------------------------------------------\n\n')