from otree.api import * c = cu doc = '' class C(BaseConstants): NAME_IN_URL = 'Introduction_Session' PLAYERS_PER_GROUP = None NUM_ROUNDS = 1 class Subsession(BaseSubsession): pass class Group(BaseGroup): pass class Player(BasePlayer): Session = models.IntegerField(label='My session number is:', max=100, min=1) Participant = models.IntegerField(label='My participant number is:', max=100, min=0) class Introduction(Page): form_model = 'player' class Identification(Page): form_model = 'player' form_fields = ['Session', 'Participant'] page_sequence = [Introduction, Identification]