from otree.api import * c = cu doc = '' class C(BaseConstants): NAME_IN_URL = 'id_assignment' PLAYERS_PER_GROUP = None NUM_ROUNDS = 1 class Subsession(BaseSubsession): pass class Group(BaseGroup): pass class Player(BasePlayer): p_id = models.IntegerField(max=1000000, min=0, label='Participant ID') class p_id(Page): form_model = 'player' form_fields = ['p_id'] page_sequence = [p_id]