Configure Meta Ad Event Tracking for .NET MAUI Apps -- 2

I need assistance in configuring event tracking for my .NET MAUI built Android and iOS apps in Meta ads. Event tracking is currently working fine on the web but is not visible for the apps.

Key Requirements:
- Expertise in .NET MAUI and Meta (Facebook) ad configuration
- Proven experience in mobile event tracking and Facebook Pixel
- Ability to troubleshoot and resolve tracking issues efficiently

Specific Events to Track:
- App installs
- In-app purchases
- Add To Cart
- View Cart
- Check Out