If you'd like to send a message to a client a week before the event with their delivery times, you can create an Email Template (here) with the LogisticsStart and the LogisticsEnd times included.
Here's how you can use Personalization Tokens to add your delivery times to an email
If you'd like to send a message to a client a week before the event with their delivery times, you can create an Email Template (here) with the LogisticsStart and the LogisticsEnd times included.