Guys, hello everyone, I have a simple and at the same time complex question.

I have a mobile application that has the functionality of starting a free week, after which the trial period is activated. I want to transfer information about the processing of this event to meta ads, so that in the future I can launch an advertising campaign with the goal of starting a trial, and not installing an application, as I do now.

I understand that I need to transmit to the meta ad not just information about the processing of this event, but also additional rich information about the user, as well as about his device, so that the meta ad, based on the information received, understands what kind of audience I need to receive in the future.

Also, please help me - What information should be contained in the value of the “start trial” event?