Major Gifts will be conducting 2-5 events in the next 12 months. We are currently processing a new contract with Trilogy to use their events tool to send out invitations. In order to do so, we'll need to use their payment processor, Authorize.net.
The contract isn't set up yet, and we aren't planning on using the tool until August or September. Once the contract is in place, we will need to set up a way to import Trilogy's data into Civi. I think that considering the low amount of transaction volume through this channel, we can do a manual import, but @CaitVirtue may feel differently.
Here's an example of a donation form using Trilogy's payment system, if that's helpful: secure.uso.org. I'm also going to attach a sample of the transaction data as we would export it from Trilogy. We should have flexibility in field names and organization.