I have built a journey which send an email the day before of an event. To do this, I have chosen a Wait by Attribute using Contact Data due to the date of the event may change. The journey can contains different events and one person may attent to different events.
Each Event have different Attendees (which contains contact information) so, when an Attendee is injected to the journey, the journey should know which event is related with it. Unfortunately, it doesn't happen and the Wait by Attribute doesn't work properly and send the email without having into account the start date/time of the event.
How can I know which information is using the wait by attribute? How can I ensure that the journeys will work properly? We should create a journey for each event?
I attach different images of the journey:
Can you help me?
Thank you, Anna