in loggen/message_generator.py [0:0]
def build_message():
""" Generates an event message imitation
:return: A random event message
"""
return dict(
uid=build_user_id(),
# change experiment ids based on date/time
experiment_id=random.randint(1, 100),
variant=_EXPERIMENT_VARIANTS[random.randint(0, 3)],
timestamp=datetime.datetime.utcnow().strftime('%Y-%m-%dT%H:%M:%SZ'))